Boost your Skills with the power of Knowledge

Do you want to boost your skills and knowledge w.r.t the time? Are you searching for the right place? Then stop surfing and start learning here. Join us to upgrade your skills as per the market trend. Kits real-time experts give you the best practical knowledge on various IT platform with real-world use cases and shows you the way to become a certified professional.

Courses

Instructors

Clients

Happy Students

Key Features

Check out the key service offerings provided throughout our world-class learning programs.

Accessibility

You people can get access to the live recorded videos soon after the completion of the class.

Job Readiness

The course designed by real-time experts makes you job-ready.

Real-Time Experts

The real-time experts from this institute enhances your knowledge on the technology.

24x7 Support

We people offer 24x7 Support to resolve all your queries.

Certification

The course conducted by live experts as per the updated syllabus shows you the way to clear the certification.

Flexible Schedule

You were allowed to attend the other schedule of course if you are unable to join as per the initial schedule.

Explore Course Categories

Featured Courses

Oracle BPM Online Training

Oracle BPM Online Training
Get hands-on exposure in the creation of genuine Oracle Business Process Management applications with Oracle BPM by real-time experts. By the end of this training, you will get practical exposure to d

9 mins
Oracle Apps Technical Course

Oracle Apps Technical Course
Enroll today for the best Oracle Apps Technical training o to involve in the application programming of the oracle corporation. By the end of the course, you will acquire practical exposure to oracle

9 mins
Oracle Apps Functional Online Training

Oracle Apps Functional Online Training
Enroll for Oracle Apps Functional Online Training Course to become a specialist as an Oracle Apps Functional Consultant. Throughout this course, you will be gaining practical exposure to operation and

9 mins
Microsoft Dynamic CRM Online Training

Microsoft Dynamic CRM Online Training
Make your dream come true as a Microsoft Dynamic CRM developer by developing your skills and enhance your knowledge on various application modules, customization, configuration, integration by live in

9 mins
Installshield Training

Installshield Training
Acquire practical knowledge of creating installers (or) software packages as per the latest library using Installshield by live industry experts with practical use cases and makes you master in creati

9 mins
Build and Release Online Training

Build and Release Online Training
KITS Build and Engineer Online Training Course taught by live industry experts enhances your practical knowledge on the build and release concept and process, DevOps Concept, and process through pract

9 mins
SAS Online Course

SAS Online Course
Master in advanced analytics techniques of SAS language through SAS macros, Machine learning, PROC SQL and get the necessary skills to clear SAS programmer Certification through SAS Online Training Co

9 mins
Teradata  Training

Teradata Training
Become a master in developing data warehousing applications taught by real-time industry experts through hands-on exercises and use-cases and become a king of Data warehouse at Teradata Online Trainin

9 mins
PEGA Training

PEGA Training
Start gaining a comprehensive knowledge of core principles of application development to designing and develop the pega application by practical use cases taught by live industry applications and acqu

9 mins

Trending Courses

Linux Online Training

Linux Online Training
KITS instructor-led online course will help you with the necessary skills to become a successful Linux Administrator. KITS Linux online training course will help you in imparting the practical knowled

9 mins
Testing Tools Online Training

Testing Tools Online Training
Acquire hands-on experience of the various testing tools taught by real-time working professionals through hands-on exercises and real time project projects and become an expert in Testing tools.

9 mins
Oracle DBA Online Training

Oracle DBA Online Training
KITS Oracle DBA Online Training imparts you to gain the skills and the knowledge required to install, configure, and administer the Oracle Databases. Through this course, you will master in creating a

9 mins
RPA Online Training

RPA Online Training
Get the application of automation on different applications using a variety of automation tools like blue prism, automation anywhere, UI path through hands-on and real-time project implementation at K

9 mins
Python Online Training

Python Online Training
Master in coding the application from roots to the advanced level on python programming by live experts with practical use cases through the KITS python online training course. This course lets you kn

9 mins
Oracle SOA Online Training

Oracle SOA Online Training
Hurry up to enroll for the demo session to become a certified Oracle SOA professional through KITS Oracle SOA Online Training Course  taught by real-time industry experts with practical use-cases and

9 mins
Web Methods Online Training

Web Methods Online Training
KITS web methods training help you in mastering architecture, integration tools, components, advanced web services by live industry experts with live use cases. This course improves your skills and pr

9 mins
JAVA  Online Training

JAVA Online Training
Get from the roots to the advanced level of programming on Java taught by live experts and acquire hands-on experience of java programing taught by live experts with practical use cases and become a m

9 mins
Data Science Online Training

Data Science Online Training
Make your dream come true as a Data Scientist by enhancing your skills through Data analytics, R programming, statistical computing, machine learning algorithms and so on by live use cases taught by c

9 mins

Mode of Training

Self-Paced

  • Learn at your convenient time and place
  • Grab the practical exposure of the course through high-quality videos
  • Learn from basic to advanced level of the course led by real-time instructors

Online

  • Get a live demonstration of every topic by our experienced faculty
  • Get LMS Access of every session after the completion of the course
  • Gain the stuff to get certified

Corporate

  • Can enroll for Self paced, Live (or) the class mode of training
  • Engage in online training lecture by an industry expert at your facility
  • Learn as a full day schedule with discussions, exercises, and practical use cases
  • Design your own syllabus based on the project requirements

Blog

What is App V ?

The requirement of a project varies from one to the other. So buying and installing the software for every project is a bit expensive. And the companies may not be in a position to afford all those. So to overcome all those problems, the operation team virtualizes the applications according to the project requirements. In this article, I'm going to explain to you what is app v? What is its use in the IT Industry. Let us start our discussion with What is App V? Microsoft application virtualization is also known as App-V is an application virtualization and application streaming solution. This application virtualization enables the administrator to deploy, update, and support applications in real-time. With App V, we can transform the locally installed products into centrally managed services. Here the applications were available where it does not require pre-configuration (or) the changes to the operating system. It makes the applications available to the end-user computer without having to install the applications directly on those computers. App V makes the application possible through a process called sequencing the application. This enables each application to run in its self-contained virtual environment on the client computer. Through this, we can eliminate the application conflicts but the applications can still interact with the client computer. Here, the App-V client is a feature that lets you interact with the application after it has been published to the computer. Here the client manages the virtual environment in which the virtualized application runs on each computer. Once the client has installed it on a computer, the applications must be available to the computer through a process called publishing that enables the end-user to run virtual applications. Through publishing, we can copy the virtual application icons and shortcuts to the computer. Moreover, this application package content is available to the end-users computer. The virtual application package content can be copied onto one (or) more application virtualization servers where it can stream down to the client on-demand and cached locally. Here the file servers and web servers can also be used as streaming servers and the content can be copied directly to the user computer. Depending on the size of the organization, you need to have many virtual applications available to the end-users across the world. Get more information on App V from live experts at App V Online Training What is a virtualized application? Whenever an application is virtualized, the essence of an application is previously captured and is dynamically instantiated on the target machine, whenever it is necessary.  These virtual applications are the same applications that you will be installing on the operating system today where it does not require installation as well as configuration.  We can describe the app virtualization as a deep set of files and registry redirections. Besides, we can view the app virtualization as a layering technology. Through App V, we can separate the application from OS instances that frees you to deliver any application to any desktop without any conflicts. What can be virtualized? Most of the enterprise desktop applications can be virtualized with App V. But there are some restrictions as well the situation that might work in a bad way. And we cannot deploy 100% of the application through App V and opt for another method if we cannot virtualize it in a single method. For an instance, you can use sccm to deploy MSi’s for native install (or) makes use of FSLogix (or) layering the product. When compared to other techniques in the market, App V supports a high percentage of your applications. How does it work? This starts working through packaging applications. This involves installing the applications and configuring them with a special capture tool called App –V Sequencer. Once we capture the application, we can use it on the multiple operating systems versions and simplifying your management application management needs. The goal of this sequencer is to capture the application and render it on a machine Os, and user format.  App –V uses a unique streaming delivery with catching that allows for extremely fast delivery and offline capabilities. At the user operating system when the package is published, the app-v extensions are directly added to the operating systems, and placeholders for file and registry settings are added in a special set aside for virtual applications. The app-v client uses a combination of filter drivers and client services to enable the application virtualization magic to occur. What are the components of Application virtualization? This application virtualization has the following components. They are : Microsoft App-V Management Server: It provides a centralized location to manage the app –v infrastructure for delivering the virtual application to both app –v desktop client and remote desktop services. Here the app v uses a Microsoft SQL Server to store the data where one (or) more App V management servers can share a single SQL Server data store. Here the app v management server authenticates the request and provides the security, meeting, monitoring, and data gathering required by the administrator. Here the servers uses the active directory and the supporting tools to manage user and applications. The app-v management server has a silver light-based managed management site that enables administrators to configure app v infrastructure from any computer. Besides administrators can add and remove applications to manage shortcuts and assign access permissions to users and groups and create connection groups. App V publishing Server: It provides app v clients with entitles applications for a specific user and hosts the virtual package for streaming. The publishing server can be installed on the same machine (or) a separate machine. In live environments, the separate installation provides greater scalability of the infrastructure. App V Remote desktop client: It enables the remote desktop host servers to utilize the capabilities of app desktop clients for shared desktop sessions App V Virtualization Sequencer: It is a wizard-based tool that the administrators use to transform traditional applications into virtual applications. Here the sequence produces the application package that consists of several files. This includes a sequenced application (App V) file, Windows installer file (MSI) file that can be deployed for standalone operations. App V Management console: It is a administer tool to manage and set up, manage, and administer the app v servers. This is responsible to create, manage, and update the virtualized application packages. Likewise, there are some other minor components in App V. By reaching the end of this blog I hope you people have acquired enough knowledge on App V. In the upcoming post of this blog, I’ll sharing the details of creating the application using app v. You people can get practical knowledge on App V from beginner to the advanced level at App V Online Course

Continue reading

What is Power Shell?

In today’s world, there are several ways to interact and manage with the computer operating system. Some of them were the green screen, terminals, command-line interface, and the graphical user interfaces. Besides, there are some more other methods like application program interface (API) calls,  and web-based management calls. Among those, the command line interface is capable of performing repetitive tasks quickly and accurately when managing a large number of the system. Hence, Microsoft has introduced shell scripting to meet the needs of the user and ensure that each task is done in the same manner.  This article gives you a brief explanation of power shell regarding the need and application in real-time in the IT industry. What is a Power shell? Power shell is a Microsoft scripting and automation platform. It is both a scripting language and a command-line interface. This platform is built on the .Net framework. This Microsoft platform uses a small program called cmdlets. This platform is responsible for the configuration, administration, and management of heterogeneous environments in both standalone and networked topologies by utilizing the standard remoting protocols. Once you start working with a power shell, it provides a set of opportunities for simplifying the tasks and saving time. It does this, using a command-line shell and an associated scripting language. At the time of release, this powerful tool essentially replaces the command prompt to automate the batch process and create the customized system management tools. Today many operation teams like system administrators rely on 130+ command-line tools within PowerShell to streamline and scale the task in both local as well as the remote system. Do you want to expertise on this tool? then visit Power Shell Online Training  Why Should you use a power shell? Powershell is a popular tool for many MSP because its scalability helps in simplifying the management task and generate insights into devices across the medium (or) large scale devices. Through power shell, you can transform your workflow to To automate the time-consuming task: With Cmdlets, you don’t have to perform the same task again and again, and even takes time for the manual configuration. For instance, you can use cmdlets like the Get command to search for other cmdlets. Besides commands like cmd-help responsible for discovering the syntax of the cmdlet, and uses the invoke-command to run the script locally, remotely (or) even in a batch control Provide Net wide around Powershell enables you to get around software (or) program limitation especially on a business-wide scale. For example, PowerShell is responsible for reconfiguring the default setting of a program across the entire network This might be useful if the business wants to roll a specific protocol to all its users using two-factor authentication (2FA) (or) change their passwords for every months. Scale your efforts across devices: Powershell can be a lifesaver if you want to run scripts across multiple computers, especially if some of them were remote devices. For an instance, if you are trying to implement a solution in a few devices, (or) servers at once, where you don’t have to log in on multiple servers at once. Moreover, this PowerShell is responsible to gather information across multiple devices at once and allows you to install updates, configure settings, gather the information that saves you hours of work and travel time Gain Visibility into information: The advantage of this platform is the accessibility of the computer file system. Powershell makes it hard to find data in files and the windows registry. Moreover, digital certificates are visible whether it is housed on one computer (or) many. And it allows you to export the data for reporting purposes. What you can do with the power shell? GUI’s are the form of wrapper that is responsible for running the code for certain actions like clicking the buttons. Here the underlying GUI codes need to the written for the GUI to function. With the utilization of power shellcode, companies can roll out the changes and updates and can test the GUI. Besides, it is tightly integrated with most of the Microsoft products. In some cases, products like Microsoft server 2016 and office 365 things cannot be done with GUI and only the power shell can do.   Microsoft people have designed this tool as an open-source and cross-platform. And it incorporated its capabilities into several interfaces. This power shell has become a robust solution to automate a range of tedious (or) administrative tasks and then find the filter and export the information about the computer on a network. It does this by combining the commands called cmdlets and create scripts. For IT professionals like MSP, it makes sense to utilize the text-based command-line interfaces(CLI’s) to achieve more granular control over system management. Within the power shell, you can leverage the improved power shell access and control over the windows management instrumentation and the component object model to fine-tune the administrative management.  This automation tool is greatly helpful for executing a typical management task.  Besides, this power shell includes adding and deleting accounts, editing groups, and creating a list to view specific types of users (or) groups. Besides, this powerful tool has an integrated scripting environment (ISE), a graphic user interface that lets you run commands and create (or) test scripts. This interface lets you develop the scripts such as command collection, where you can add the logic for execution. This is particularly useful for system administrators who need to run the command sequences for system configuration. Likewise, there are multiple uses of power shell in the real-time industry. By reaching the end of this article, I hope you people have gained the best knowledge on power shell. You people can get more practical knowledge on PowerShell taught by real-time experts at power shell online Course. In the upcoming articles of this blog, I'll be sharing the details of more information on PowerShell.  

Continue reading

What is Application Packaging?

During 1990, application profiling team members used to write scripts to wrap the applications into packages. Its good to write these scripts if it is small. But in the case of large files, it becomes more and more complex.  Moreover, there might be some dependencies like platforms, pre-required software to execute those scripts. So while installing any kind of software, you need to take care of all these factors. Hence to get rid of all these factors, the operation team uses the application packaging. So, What is Application packaging? Application packaging is the way for enterprises and large organizations to standardize and streamline the way of software on user devices. This process involves creating an application package for each piece of software that the business requires with the predefined system and user setting that is suitable for the specific standards and the control set within the organization. This allows the IT administrators to deliver the latest version of the software with new features as well as the security updated in a consistent and timely manner to gain a competitive advantage.  Besides it also reduces the total management cost. Here the IT team does not have to troubleshoot the individual devices but can package, test, and troubleshoot on a global level. This application packaging is the core component of the company’s software management strategy. This involves binding the set of files, registry as well as components to create a customized software installation targeted for automated deployment. A package usually includes the additional setting and the scripts for the software to install on many devices in a single click without any interaction from the user. This package can be remotely installed with the help of deployment management systems such as SCCM, Intune, DMS Console, etc. What are the stages of application packaging? Every process here has a few stages as follows:  In the initial stage, the request to start the process of packaging is raised. The technical evaluation of a particular source is done. In this stage, packaging involves the process of capture, editing, and testing. In this stage, the package quality is taken into consideration and a full proof test is done In the final stage, the user acceptance test (or) UAT is the last stage of this process. What type of packaging formats exists? There are many types of packing formats that exist. Some of them are MSI, MSIX, appv, cloud house, thin app. Get practical knowledge on creating different packages by a real-time industry professional at Application packaging Online Training. a)Microsoft Installer and MSI : When Microsoft installer was launched in 1999, it provides the framework for the installation process. Here the installers could recognize each other and have a database of installed products and will introduce a consistency that had not existed before. Using an MSI File, you can install both .exe and the registry keys, specify the file locations, create custom actions that were not part of the standard install, etc. This MSI’s delivers greater control, efficiency, and the speed to process and deploy the packaging apps. Through all the version of windows since windows 2000, enterprises have been creating the MSI’s for their application needs and deploy them in the same way for the past 20 years. Before creating the application package, the new application package, needs to be tested on each version of Windows that you are running and other apps as well to check the conflicts. If any issues were found during the testing then it needs to be fixed. Once this is done, it needs to be repackaged and redeployed again. If any of the testing/ packaging/ deploying takes a long time, then it's better to take another alternative. b)Virtualization changes the Application packaging: SoftGrid has changed the legacy set of issues and created the rise of application virtualization. The operation team realized that the use of COM isolation and the virtual file system is capable of preventing problems such as DLL and Conflict hell. This allowed applications to run in parallel on the same desktop without any issues by reducing risk and uncertainty.  In 2006,  Microsoft acquired a soft grid that gives instant access to the best application virtualization technology on the market as well as the large userbase. Microsoft has updated many of its updated features and introduced its security standards before rebranding it. How to package an application? Application packaging is a time-consuming process for every company. This complex task requires conformity with application versions, installation prerequisites, tools as well as the post configuration actions. The standard application package delivery format is a zip archive with the following folder structure: a)Package documentation (packing instructions, discovery documentation, etc) b)Package delivery folder (i.e the set of file need for deployment MSI, Wrapper, MST, CAB, etc ) What are the benefits of application packaging? Application packaging has many benefits. Some of them were: No installed required. Thus no more conflict between the application and OS. It supports multiple runtime environments based on the application requirement. It is capable of supporting multiple version concurrently It lowers the cost of migrations and upgrades. It accelerates application deployment through on-demand application streaming. It helps in application customization to suit the user's needs. It saves a lot of time in installation as well as the uninstallation process. Once the application has packed, the application can also be installed quickly on several laptops in different locations Likewise, there are benefits of application packaging when you pack the application in real-time. By reaching the end of this blog, I hope you people have gained some knowledge of Application packaging. You people can acquire more real-time knowledge of application packaging from the roots at Application packaging online training. In the upcoming post of this blog, I'll be sharing the details of the working of each application package in real-time.

Continue reading

What is a Testing tool?

Are you aware of software testing? Do you know its importance? If NO, then you are at the right place to know about the testing tool.  This article on testing tools gives you detailed information on software testing. All software requires extensive testing before it is rolled to the public. Quality Control engineers use both open sources and commercial tools for testing the applications based on the software it is built.   Let us start our discussion at What is test automation? It is defined as the automation of test-related activities.  This test automation makes the test cases to execute automatically and reduce the intervention of human effort.  Since less time is needed in an explanatory test, more time is needed in maintaining the test scripting coverage. Automated testing suits well for large projects and projects that require repeated testing. Who should be involved in test automation? When evaluating the testing solution, it is important to have a tool that fits the needs of all different team members who were involved in the testing process.  These include: Manual Testers:  Record and replay are crucial for the manual testers especially for the people who were new to the automation. Utilization of the same recorded input data is easier in identifying and fixing problems across multiple environments. Automation Engineers: For automation engineers robust support for scripting languages, Integration with CI Systems, and the ability to scale the test easily be important. Developers: Implementing the testing in the development process requires the ability to conduct the test with IDE’s and such as eclipse and visual studio. What are the popular testing tools? These testers use various tools to test different kinds of applications. Some of them were : Testing Tools: Katalon Studio: It is a test automation tool that enables you to test your web, mobile as well as API. This solution makes use of Selenium and appium engines. It offers an integrated environment for the testers to integrate different frameworks and tools. UFT: It is a commercial tool that originally allows users to test desktop, web, and mobile apps. It also offers various features of API Testing. Selenium: It is a well-known testing tool when comes to testing automation. It allows users to write scripts in a variety of languages including Java, C#, python, ruby. This tool runs on several operating systems and browsers. The drawback of this tool is that here you need to spend the amount of additional time in building the frameworks as well as the other tools for actual automation Test Complete: It enables desktop, mobile, and web testing. It offers users to choose different languages like Javascript, VB Script, python (or) C++ to write scripts. This tool contains a recognition engine that is capable of detecting user interface elements that are responsible to test apps whose interfaces change often. Testim: Testim is an automation tool that employees machine learning to help developers with authoring, execution, and maintenance of automated test.  This tool allows developers to quickly create test cases and execute them on many mobile and web platforms. This tool learns data with every execution.  Testim uses all the machine learning to improve itself and makes the test cases more stable. Mantis Bug tracker: This is an open-source test management tool that is simple and allows the teammates to collaborate. This tool has custom fields for the test cases and allows the users to control the access rights of various users and include email notifications for issues/updates/ comments. Test Collab:  This proprietary tool helps to manage and plan various test cases in addition to the production of in-depth reports of various test execution statutes. Besides, this tool is capable of integrating with other tools as well. Cucumber:   This tool is capable of enabling automated testing along using behavior-driven development. Here the functional test was written in plain text and can be automated with the scripts written in Ruby, Java, Dot Net, and many more. Here the cucumber is a plain text behavior and can also be translated into 40 different languages. Besides it also responsible for bridging the gaps between the customer, QA, and the development teams. Device Anywhere: This tool lets you test on real devices for both Android as well as IoS. And this tool is available in both free as well as the paid versions. Here the free version comes with limited functionality and the paid version comes with unlimited functionality. Likewise, many automation tools were available today. You can gain practical knowledge on these tools at Testing tools online training How to pick the right automation tool? As mentioned above, many testing automation tools were available today in the market. So based on the requirement, we need to pick the right automation tool. Hence choosing the best automation tool depends on three important factors. They are the target platform, the learning curve, and the pricing.  Here the first factor is easy to understand. For an instance, if your product is a desktop application then every automation tool that works for mobile and web was automatically declassified. The second here we need to analyze is the learning curve.  And if your learning curve is too steep, then it might be a bad sign.  Here you need to analyze the problem of the steep learning curve. It depends on how quickly your team is up and running. And in some cases, it takes time for learning the tool due to its benefits. Finally, the last factor that we need to consider is pricing. Today all the firms were not in the same financial position. So the tool that you were going to buy is affordable for all kinds of firms. And many of these tools have a free-tier and allows you to try at least once and can buy the tool on a monthly (or) annual basis. So based on the above three factors the tester should weigh against the three factors and calculate the points in each area and make a final decision in picking the right automation tool. By reaching the end of this blog, I hope you people have gotten a basic idea regarding the need for testing tools and various kinds of testing tools that were available today in the market. In the upcoming post of this blog, I will be sharing the details of working on each testing tool by real-time industry professionals at the Testing Tool Online Course. Meanwhile, have a glance at our Selenium Interview Questions and crack the interview.  

Continue reading

What is VM Ware?

VM Ware is a cloud computing virtualization software. It was initially founded in 1988 and brought a revolution to the IT industry through its virtualization as well as cloud solutions.  Today this company has 75000+ partners across the globe. This VM Ware suits best in various areas like banking, health care, retail as well as telecommunications. In this article, I'll let you know the complete details of VM Ware. What is VM Ware? In the Software industry, it is one of the key providers of virtualization. It stands to be the first commercially successful company to virtualize x86 architecture. And they were categorized into two levels namely desktop as well as server applications. VM Ware desktop software is compactable with major operating systems like Linux, Windows as well as the Mac Os. This VMWare Workstation enables multiple copies of the same operating systems (or) the several different operating systems that can run simultaneously on an x86 machine. It supports multiple operating systems that run on Windows (or) a Linux PC.  Besides, it has a user’s desktop that can be stored on a USB drive for transport. It is the process of creating software based on the virtual representation that includes servers, storage, and other different networks.  VMWare Vsphere is a server virtualization platform. This platform is responsible for implementing and managing the infrastructure on a large scale. This VM Ware VSphere is also referred to as a cloud operating system (or) a virtualized data center platform.  It enables the  IT departments to place application workloads on the most cost-effective computing resources. Here the virtualization is managed by the program called Hypervisor. A hypervisor is software that helps in creating and running virtual machines. Would you like to know the practical working of VM  Ware? Then visit VM Ware Online Training  These were classified into two types namely: Type -1 native (or) bare metal  Hypervisors: It provides direct interaction to the hardware and it can run directly on the hosted hardware and control it. Hosted Hypervisors: In this type, the operating system will interact with the hardware. Here the hypervisor is installed along with the operating system. VM Ware vCloud: The VMWare VCloud Suite is a software-defined data center based on Vsphere cloud implementation. It has evolved from Vsphere due to the changing demands of IT managed service providers. Besides, it is capable of offering data center virtualization, high availability, and resilient infrastructure. Here the VM Ware vCloud includes various features. It uses Vsphere for computing and VReliaze automation for the policy defined computing automation. Typical VCloud Cloud management consists of 2 sites. Here each site is connected by the dark fiber and each has multiple hosts and a replicated storage.  It has a high availability disaster recovery solution that has replication between sites. Here the SRM will use the predefined policies to failover servers as well as the services from site A to site B. This automated process enables managed service providers to offer a 99.99% uptime capability. VM Ware Cloud Management Services: The VM Ware cloud is an offering from VMWare for cloud-based infrastructure services. It is heavily integrated with Amazon Web Services(AWS)  and offers a cloud-based service for many popular VM Ware applications. This eliminates the requirement for the data center services and the cost associated with that. Moreover, it enables many individuals as well as companies to leverage VMWare products for personal use. To virtualize the most hardware-based data center products into  its products,  this platform has introduced the VM Ware Hyper Converged Infrastrucutre(HCI): VMWare offering two products aimed at virtualizing the storage and network fabrics of the data center. Here the data center consists of several EXSI hosts, Various storage devices (SAN), SAN Switches, and a network infrastructure layer. Here the VMware VSAN  and VMWare NSX provide a storage virtualization layer and a network virtualization layer. What is VM Ware Private Cloud? VM Ware private Cloud is a service through which you can connect two (or) more physical servers to one. Here all the resources from physical servers (or) the nodes are joined together into the pool of sources, that can be distributed across virtual machines that deploy the nodes. And these private clouds were classifieds into the following types: a)Virtual Private Cloud:  It is a remotely hosted private cloud instance located within a public cloud. This type of private cloud is different from the others. Because it exists in a separate area of cloud instead of being hosted on-premises b)Hosted Private Cloud:  It is a type of cloud-hosted by the cloud service provider on-premises like a data-center. This type of cloud is not shared with other organizations. The cloud service provider is one who manages the network and takes care of the hardware that is behind the cloud. Here the software updates are taken by the cloud provider. c)Managed Private Cloud:  It is a type of private cloud that is responsible for hardware, software, networking, and day-to-day operations of the private cloud. How to work with VM Ware? Working with VM Ware is easy if you follow the following steps.  Initially, you need to install the VM Ware Work Station and then install the Operating System. Here, you can name your virtual machine and then set the disk size. Once you did this you can customize the virtual machine virtual hardware. And then you can start the virtual machine. Once the installation is done you can start using the VM Ware. Here you can easily move the files between the virtual machine and the physical machine. Here you can add external devices like printers by adding their names. With VMWare Server Virtualization, a hypervisor is installed on the physical server to allow multiple virtual machines to run on the same virtual machine. Here each VM runs its operating system which indicates multiples OS’s can run on one physical server. All the VM’s on the same physical server can share resources such as RAM and networking. What are the advantages of VM Ware? The advantages of VM ware are mentioned below: Users can run all kinds of applications (both new as well as old) on it. If the data is infected with the virus you can access it using VM ware Here the browsing of VM Ware is completely safe You can run Linux on top of windows very easily The utilization of old hardware here is very easy. Likewise, there are many advantages to VM Ware. By reaching the end of this article, I hope you people have got enough knowledge of VM Ware. You can get the practical advantages of VM ware and its utilization in different tools taught by industry professionals at VM Ware Online Course. In the upcoming post of this blog, I'll be sharing the details of the application of VM Ware on different tools in the real world. Meanwhile, have a glance at our VM Ware Interview Questions  

Continue reading

Interview Questions

Hadoop Cluster Interview Questions

  Q.Explain About The Hadoop-core Configuration Files? Ans: Hadoop core is specified by two resources. It is configured by two well written xml files which are loaded from the classpath: Hadoop-default.xml- Read-only defaults for Hadoop, suitable for a single machine instance. Hadoop-site.xml- It specifies the site configuration for Hadoop distribution. The cluster specific information is also provided by the Hadoop administrator. Q.Explain In Brief The Three Modes In Which Hadoop Can Be Run? Ans : The three modes in which Hadoop can be run are: Standalone (local) mode- No Hadoop daemons running, everything runs on a single Java Virtual machine only. Pseudo-distributed mode- Daemons run on the local machine, thereby simulating a cluster on a smaller scale. Fully distributed mode- Runs on a cluster of machines. Q.Explain What Are The Features Of Standalone (local) Mode? Ans : In stand-alone or local mode there are no Hadoop daemons running,  and everything runs on a single Java process. Hence, we don't get the benefit of distributing the code across a cluster of machines. Since, it has no DFS, it utilizes the local file system. This mode is suitable only for running MapReduce programs by developers during various stages of development. Its the best environment for learning and good for debugging purposes. Q.What Are The Features Of Fully Distributed Mode? Ans:In Fully Distributed mode, the clusters range from a few nodes to 'n' number of nodes. It is used in production environments, where we have thousands of machines in the Hadoop cluster. The daemons of Hadoop run on these clusters. We have to configure separate masters and separate slaves in this distribution, the implementation of which is quite complex. In this configuration, Namenode and Datanode runs on different hosts and there are nodes on which task tracker runs. The root of the distribution is referred as HADOOP_HOME. Q.Explain What Are The Main Features Of Pseudo Mode? Ans : In Pseudo-distributed mode, each Hadoop daemon runs in a separate Java process, as such it simulates a cluster though on a small scale. This mode is used both for development and QA environments. Here, we need to do the configuration changes. Q.What Are The Hadoop Configuration Files At Present? Ans : There are 3 configuration files in Hadoop: conf/core-site.xml: fs.default.name hdfs: //localhost:9000 conf/hdfs-site.xml: dfs.replication 1 conf/mapred-site.xml: mapred.job.tracker local host: 9001 Q.Can You Name Some Companies That Are Using Hadoop? Ans : Numerous companies are using Hadoop, from large Software Companies, MNCs to small organizations. Yahoo is the top contributor with many open source Hadoop Softwares and frameworks. Social Media Companies like Facebook and Twitter have been using for a long time now for storing their mammoth data. Apart from that Netflix, IBM, Adobe and e-commerce websites like Amazon and eBay are also using multiple Hadoop technologies. Q.Which Is The Directory Where Hadoop Is Installed? Ans : Cloudera and Apache have the same directory structure. Hadoop is installed in cd /usr/lib/hadoop-0.20/. Q.What Are The Port Numbers Of Name Node, Job Tracker And Task Tracker? Ans : The port number for Namenode is ’70′, for job tracker is ’30′ and for task tracker is ’60′. Q.Tell Us What Is A Spill Factor With Respect To The Ram? Ans : Spill factor is the size after which your files move to the temp file. Hadoop-temp directory is used for this. Default value for io.sort.spill.percent is 0.80. A value less than 0.5 is not recommended. Q.Is Fs.mapr.working.for A Single Directory? Ans : Yes, fs.mapr.working.dir it is just one directory. Q.Which Are The Three Main Hdfs-site.xml Properties? Ans : The three main hdfs-site.xml properties are: name.dir which gives you the location on which metadata will be stored and where DFS is located – on disk or onto the remote. data.dir which gives you the location where the data is going to be stored. checkpoint.dir which is for secondary Namenode. Q.How To Come Out Of The Insert Mode? Ans : To come out of the insert mode, press ESC, Type: q (if you have not written anything) OR Type: wq (if you have written anything in the file) and then press ENTER. Q.Tell Us What Cloudera Is And Why It Is Used In Big Data? Ans : Cloudera is the leading Hadoop distribution vendor on the Big Data market, its termed as the next-generation data management software that is required for business critical data challenges that includes access, storage, management, business analytics, systems security, and search. Q.We Are Using Ubuntu Operating System With Cloudera, But From Where We Can Download Hadoop Or Does It Come By Default With Ubuntu? Ans : This is a default configuration of Hadoop that you have to download from Cloudera or from eureka’s Dropbox and the run it on your systems. You can also proceed with your own configuration but you need a Linux box, be it Ubuntu or Red hat. There are installations steps present at the Cloudera location or in Eureka’s Drop box. You can go either ways. Q.What Is The Main Function Of The ‘jps’ Command? Ans : The jps’ command checks whether the Datanode, Namenode, tasktracker, jobtracker, and other components are working or not in Hadoop. One thing to remember is that if you have started Hadoop services with sudo then you need to run JPS with sudo privileges else the status will be not shown. Q.How Can I Restart Namenode? Ans : Click on stop-all.sh and then click on start-all.sh OR Write sudo hdfs (press enter), su-hdfs (press enter), /etc/init.d/ha (press enter) and then /etc/init.d/hadoop-0.20-namenode start (press enter). Q.How Can We Check Whether Namenode Is Working Or Not? Ans : To check whether Namenode is working or not, use the command /etc/init.d/hadoop- 0.20-namenode status or as simple as jps’. Q.What Is "fsck" And What Is Its Use? Ans : "fsck" is File System Check. FSCK is used to check the health of a Hadoop Filesystem. It generates a summarized report of the overall health of the filesystem. Usage:  hadoop fsck / Q.At Times You Get A ‘connection Refused Java Exception’ When You Run The File System Check Command Hadoop Fsck /? Ans : The most possible reason is that the Namenode is not working on your VM. Q.What Is The Use Of The Command Mapred.job.tracker? Ans : The command mapred.job.tracker is used by the Job Tracker to list out which host and port that the MapReduce job tracker runs at. If it is "local", then jobs are run in-process as a single map and reduce task. Q.What Does /etc /init.d Do? Ans : /etc /init.d specifies where daemons (services) are placed or to see the status of these daemons. It is very LINUX specific, and nothing to do with Hadoop. Q.How Can We Look For The Namenode In The Browser? Ans : If you have to look for Namenode in the browser, you don’t have to give localhost: 8021, the port number to look for Namenode in the browser is 50070. Q.How To Change From Su To Cloudera? Ans : To change from SU to Cloudera just type exit. Q.Which Files Are Used By The Startup And Shutdown Commands? Ans : Slaves and Masters are used by the startup and the shutdown commands. Q.What Do Masters And Slaves Consist Of? Ans : Masters contain a list of hosts, one per line, that are to host secondary namenode servers. Slaves consist of a list of hosts, one per line, that host datanode and task tracker servers. Q.What Is The Function Of Hadoop-env.sh? Where Is It Present? Ans : This file contains some environment variable settings used by Hadoop; it provides the environment for Hadoop to run. The path of JAVA_HOME is set here for it to run properly. Hadoop-env.sh file is present in the conf/hadoop-env.sh location. You can also create your own custom configuration file conf/hadoop-user-env.sh, which will allow you to override the default Hadoop settings. Q.Can We Have Multiple Entries In The Master Files? Ans : Yes, we can have multiple entries in the Master files. Q.In Hadoop_pid_dir, What Does Pid Stands For? Ans : PID stands for ‘Process ID’. Q.What Does Hadoop-metrics? Properties File Do? Ans : Hadoop-metrics Properties is used for ‘Reporting‘purposes. It controls the reporting for hadoop. The default status is ‘not to report‘. Q.What Are The Network Requirements For Hadoop? Ans : The Hadoop core uses Shell (SSH) to launch the server processes on the slave nodes. It requires password-less SSH connection between the master and all the slaves and the Secondary machines. Q.Why Do We Need A Password-less Ssh In Fully Distributed Environment? Ans : We need a password-less SSH in a Fully-Distributed environment because when the cluster is LIVE and running in Fully Distributed environment, the communication is too frequent. The job tracker should be able to send a task to task tracker quickly. Q.What Will Happen If A Namenode Has No Data? Ans : If a Namenode has no data it cannot be considered as a Namenode. In practical terms, Namenode needs to have some data. Q.What Happens To Job Tracker When Namenode Is Down? Ans : Namenode is the main point which keeps all the metadata, keep tracks of failure of datanode with the help of heart beats. As such when a namenode is down, your cluster will be completely down, because Namenode is the single point of failure in a Hadoop Installation. Q.Explain What Do You Mean By Formatting Of The Dfs? Ans : Like we do in Windows, DFS is formatted for proper structuring of data. It is not usually recommended to do as it format the Namenode too in the process, which is not desired. Q.We Use Unix Variants For Hadoop. Can We Use Microsoft Windows For The Same? Ans : In practicality, Ubuntu and Red Hat Linux are the best Operating Systems for Hadoop. On the other hand, Windows can be used but it is not used frequently for installing Hadoop as there are many support problems related to it. The frequency of crashes and the subsequent restarts makes it unattractive. As such, Windows is not recommended as a preferred environment for Hadoop Installation, though users can give it a try for learning purposes in the initial stage. Q.Which One Decides The Input Split - Hdfs Client Or Namenode? Ans : The HDFS Client does not decide. It is already specified in one of the configurations through which input split is already configured. Q.Let’s Take A Scenario, Let’s Say We Have Already Cloudera In A Cluster, Now If We Want To Form A Cluster On Ubuntu Can We Do It. Explain In Brief? Ans : Yes, we can definitely do it. We have all the useful installation steps for creating a new cluster. The only thing that needs to be done is to uninstall the present cluster and install the new cluster in the targeted environment. Q.Can You Tell Me If We Can Create A Hadoop Cluster From Scratch? Ans : Yes, we can definitely do that.  Once we become familiar with the Apache Hadoop environment, we can create a cluster from scratch. Q.Explain The Significance Of Ssh? What Is The Port On Which Port Does Ssh Work? Why Do We Need Password In Ssh Local Host? Ans : SSH is a secure shell communication, is a secure protocol and the most common way of administering remote servers safely, relatively very simple and inexpensive to implement. A single SSH connection can host multiple channels and hence can transfer data in both directions. SSH works on Port No. 22, and it is the default port number. However, it can be configured to point to a new port number, but its not recommended. In local host, password is required in SSH for security and in a situation where password less communication is not set. Q.What Is Ssh? Explain In Detail About Ssh Communication Between Masters And The Slaves? Ans : Secure Socket Shell or SSH is a password-less secure communication that provides administrators with a secure way to access a remote computer and data packets are sent across the slave. This network protocol also has some format into which data is sent across. SSH communication is not only between masters and slaves but also between two hosts in a network.  SSH appeared in 1995 with the introduction of SSH - 1. Now SSH 2 is in use, with the vulnerabilities coming to the fore when Edward Snowden leaked information by decrypting some SSH traffic. Q.Can You Tell Is What Will Happen To A Namenode, When Job Tracker Is Not Up And Running? Ans : When the job tracker is down, it will not be in functional mode, all running jobs will be halted because it is a single point of failure. Your whole cluster will be down but still Namenode will be present. As such the cluster will still be accessible if Namenode is working, even if the job tracker is not up and running. But you cannot run your Hadoop job.  

Continue reading

Go Language interview Questions

Q.What Is Go? Ans: Go is a general-purpose language designed with systems programming in mind.It was initially developed at Google in year 2007 by Robert Griesemer, Rob Pike, and Ken Thompson. It is strongly and statically typed, provides inbuilt support for garbage collection and supports concurrent programming. Programs are constructed using packages, for efficient management of dependencies. Go programming implementations use a traditional compile and link model to generate executable binaries. Q.What Are The Benefits Of Using Go Programming? Ans: Support for environment adopting patterns similar to dynamic languages. For example type inference (x := 0 is valid declaration of a variable x of type int). Compilation time is fast. InBuilt concurrency support: light-weight processes (via goroutines), channels, select statement. Conciseness, Simplicity, and Safety. Support for Interfaces and Type embdding. Production of statically linked native binaries without external dependencies. Q.Does Go Support Type Inheritance? Ans: No support for type inheritance. Q.Does Go Support Operator Overloading? Ans: No support for operator overloading. Q.Does Go Support Method Overloading? Ans: No support for method overloading. Q.Does Go Support Pointer Arithmetics? Ans: No support for pointer arithmetic. Q.Does Go Support Generic Programming? Ans: No support for generic programming. Q.Is Go A Case Sensitive Language? Ans: Yes! Go is a case sensitive programming language. Q.What Is Static Type Declaration Of A Variable In Go? Ans: Static type variable declaration provides assurance to the compiler that there is one variable existing with the given type and name so that compiler proceed for further compilation without needing complete detail about the variable. A variable declaration has its meaning at the time of compilation only, compiler needs actual variable declaration at the time of linking of the program. Q.What Is Dynamic Type Declaration Of A Variable In Go? Ans: A dynamic type variable declaration requires compiler to interpret the type of variable based on value passed to it. Compiler don't need a variable to have type statically as a necessary requirement. Q.Can You Declared Multiple Types Of Variables In Single Declaration In Go? Ans: Yes Variables of different types can be declared in one go using type inference. var a, b, c = 3, 4, "foo" Q.How To Print Type Of A Variable In Go? Ans: Following code prints the type of a variable − var a, b, c = 3, 4, "foo" fmt.Printf("a is of type %Tn", a) Q.What Is A Pointer? Ans: It's a pointer variable which can hold the address of a variable. For example − var x = 5 var p *int p = &x fmt.Printf("x = %d", *p) Here x can be accessed by *p. Q.What Is The Purpose Of Break Statement? Ans: Break terminates the for loop or switch statement and transfers execution to the statement immediately following the for loop or switch. Q.What Is The Purpose Of Continue Statement? Ans: Continue causes the loop to skip the remainder of its body and immediately retest its condition prior to reiterating. Q.What Is The Purpose Of Goto Statement? Ans: goto transfers control to the labeled statement. Q.Explain The Syntax For 'for' Loop? Ans: The syntax of a for loop in Go programming language is − for { statement(s); } Here is the flow of control in a for loop − if condition is available, then for loop executes as long as condition is true. if for clause that is ( init; condition; increment ) is present then The init step is executed first, and only once. This step allows you to declare and initialize any loop control variables. You are not required to put a statement here, as long as a semicolon appears. Next, the condition is evaluated. If it is true, the body of the loop is executed. If it is false, the body of the loop does not execute and flow of control jumps to the next statement just after the for loop. After the body of the for loop executes, the flow of control jumps back up to the increment statement. This statement allows you to update any loop control variables. This statement can be left blank, as long as a semicolon appears after the condition. The condition is now evaluated again. If it is true, the loop executes and the process repeats itself (body of loop, then increment step, and then again condition). After the condition becomes false, the for loop terminates. if range is available, then for loop executes for each item in the range. Q.Explain The Syntax To Create A Function In Go? Ans: The general form of a function definition in Go programming language is as follows − func function_name( ) { body of the function } A function definition in Go programming language consists of a function header and a function body. Here are all the parts of a function − func func starts the declaration of a function. Function Name − This is the actual name of the function. The function name and the parameter list together constitute the function signature. Parameters − A parameter is like a placeholder. When a function is invoked, you pass a value to the parameter. This value is referred to as actual parameter or argument. The parameter list refers to the type, order, and number of the parameters of a function. Parameters are optional; that is, a function may contain no parameters. Return Type − A function may return a list of values. The return_types is the list of data types of the values the function returns. Some functions perform the desired operations without returning a value. In this case, the return_type is the not required. Function Body − The function body contains a collection of statements that define what the function does. Q.Can You Return Multiple Values From A Function? Ans: A Go function can return multiple values. For example − package main import "fmt" func swap(x, y string) (string, string) { return y, x } func main() { a, b := swap("Mahesh", "Kumar") fmt.Println(a, b) } Q.In How Many Ways You Can Pass Parameters To A Method? Ans: While calling a function, there are two ways that arguments can be passed to a function: Call by value: This method copies the actual value of an argument into the formal parameter of the function. In this case, changes made to the parameter inside the function have no effect on the argument. Call by reference:This method copies the address of an argument into the formal parameter. Inside the function, the address is used to access the actual argument used in the call. This means that changes made to the parameter affect the argument. Q.What Is The Default Way Of Passing Parameters To A Function? Ans: By default, Go uses call by value to pass arguments. In general, this means that code within a function cannot alter the arguments used to call the function while calling max() function used the same method. Q.What Do You Mean By Function As Value In Go? Ans: Go programming language provides flexibility to create functions on the fly and use them as values. We can set a variable with a function definition and use it as parameter to a function. Q.What Are The Function Closures? Ans: Functions closure are anonymous functions and can be used in dynamic programming. Q.What Are Methods In Go? Ans: Go programming language supports special types of functions called methods. In method declaration syntax, a "receiver" is present to represent the container of the function. This receiver can be used to call function using "." operator. Q.What Is Default Value Of A Local Variable In Go? Ans: A local variable has default value as it corresponding 0 value. Q.What Is Default Value Of A Global Variable In Go? Ans: A global variable has default value as it corresponding 0 value. Q.What Is Default Value Of A Pointer Variable In Go? Ans: Pointer is initialized to nil. Q.Explain The Purpose Of The Function Printf()? Ans: Prints the formatted output. Q.What Is Lvalue And Rvalue? Ans: The expression appearing on right side of the assignment operator is called as rvalue. Rvalue is assigned to lvalue, which appears on left side of the assignment operator. The lvalue should designate to a variable not a constant. Q.What Is The Difference Between Actual And Formal Parameters? Ans: The parameters sent to the function at calling end are called as actual parameters while at the receiving of the function definition called as formal parameters. Q.What Is The Difference Between Variable Declaration And Variable Definition? Ans: Declaration associates type to the variable whereas definition gives the value to the variable. Q.Explain Modular Programming? Ans: Dividing the program in to sub programs (modules/function) to achieve the given task is modular approach. More generic functions definition gives the ability to re-use the functions, such as built-in library functions. Q.What Is A Token? Ans: A Go program consists of various tokens and a token is either a keyword, an identifier, a constant, a string literal, or a symbol. Q.Which Key Word Is Used To Perform Unconditional Branching? Ans: goto Q.What Is An Array? Ans: Array is collection of similar data items under a common name. Q.What Is A Nil Pointers In Go? Ans: Go compiler assign a Nil value to a pointer variable in case you do not have exact address to be assigned. This is done at the time of variable declaration. A pointer that is assigned nil is called a nil pointer. The nil pointer is a constant with a value of zero defined in several standard libraries. Q.What Is A Pointer On Pointer? Ans: It's a pointer variable which can hold the address of another pointer variable. It de-refers twice to point to the data held by the designated pointer variable. var a int var ptr *int var pptr **int a = 3000 ptr = &a pptr = &ptr fmt.Printf("Value available at **pptr = %dn", **pptr) Therefore 'a' can be accessed by **pptr. Q.What Is Structure In Go? Ans: Structure is another user defined data type available in Go programming, which allows you to combine data items of different kinds. Q.How To Define A Structure In Go? Ans: To define a structure, you must use type and struct statements. The struct statement defines a new data type, with more than one member for your program. type statement binds a name with the type which is struct in our case. The format of the struct statement is this − type struct_variable_type struct { member definition; member definition; ... member definition; } Q.What Is Slice In Go? Ans: Go Slice is an abstraction over Go Array. As Go Array allows you to define type of variables that can hold several data items of the same kind but it do not provide any inbuilt method to increase size of it dynamically or get a sub-array of its own. Slices covers this limitation. It provides many utility functions required on Array and is widely used in Go programming. Q.How To Define A Slice In Go? Ans: To define a slice, you can declare it as an array without specifying size or use make function to create the one. var numbers int /* a slice of unspecified size */ /* numbers == int{0,0,0,0,0}*/ numbers = make(int,5,5) /* a slice of length 5 and capacity 5*/ Q.How To Get The Count Of Elements Present In A Slice? Ans: len() function returns the elements presents in the slice. Q.What Is The Difference Between Len() And Cap() Functions Of Slice In Go? Ans: len() function returns the elements presents in the slice where cap() function returns the capacity of slice as how many elements it can be accomodate. Q.How To Get A Sub-slice Of A Slice? Ans: Slice allows lower-bound and upper bound to be specified to get the subslice of it using. Q.What Is Range In Go? Ans: The range keyword is used in for loop to iterate over items of an array, slice, channel or map. With array and slices, it returns the index of the item as integer. With maps, it returns the key of the next key-value pair. Q.What Are Maps In Go? Ans: Go provides another important data type map which maps unique keys to values. A key is an object that you use to retrieve a value at a later date. Given a key and a value, you can strore the value in a Map object. After value is stored, you can retrieve it by using its key. Q.How To Create A Map In Go? Ans: You must use make function to create a map. /* declare a variable, by default map will be nil*/ var map_variable mapvalue_data_type /* define the map as nil map can not be assigned any value*/ map_variable = make(mapvalue_data_type) Q.How To Delete An Entry From A Map In Go? Ans: delete() function is used to delete an entry from the map. It requires map and corresponding key which is to be deleted. Q.What Is Type Casting In Go? Ans: Type casting is a way to convert a variable from one data type to another data type. For example, if you want to store a long value into a simple integer then you can type cast long to int. You can convert values from one type to another using the cast operator as following: type_name(expression) Q.What Are Interfaces In Go? Ans: Go programming provides another data type called interfaces which represents a set of method signatures. struct data type implements these interfaces to have method definitions for the method signature of the interfaces. Contact for more on Go Language Online Training  

Continue reading

CCSA Interview Questions

 Q.Where You Can View The Results Of The Checkpoint? Ans: You can view the results of the checkpoints in the Test Result Window. Note: If you want to retrieve the return value of a checkpoint (a boolean value that indicates whether the checkpoint passed or failed) you must add parentheses around the checkpoint argument in the statement in the Expert View. Q.What’s The Standard Checkpoint? Ans: Standard Checkpoints checks the property value of an object in your application or web page. Q.Which Environment Are Supported By Standard Checkpoint? Ans: Standard Checkpoint are supported for all add-in environments. Q.Explain How A Biometric Device Performs In Measuring Metrics, When Attempting To Authenticate Subjects? Ans: False Rejection Rate Crossover Error Rate False Acceptance Rate Q.What’s The Image Checkpoint? Ans: Image Checkpoint check the value of an image in your application or web page. Q.Which Environments Are Supported By Image Checkpoint? Ans: Image Checkpoint are supported only Web environment. Q.What’s The Bitmap Checkpoint? Ans: Bitmap Checkpoint checks the bitmap images in your web page or application. Q.Which Environment Are Supported By Bitmap Checkpoints? Ans: Bitmap checkpoints are supported all add-in environment. Q.What’s The Table Checkpoints? Ans: Table Checkpoint checks the information with in a table. Q.Which Environments Are Supported By Table Checkpoint? Ans: Table Checkpoints are supported only ActiveX environment. Q.What’s The Text Checkpoint? Ans: Text Checkpoint checks that a test string is displayed in the appropriate place in your application or on web page. Q.Which Environment Are Supported By Test Checkpoint? Ans: Text Checkpoint are supported all add-in environments. Q.What Is Stealth Rule In Checkpoint Firewall? Ans: Stealth Rule Protect Checkpoint firewall from direct access any traffic. Its rule should be place on the top of Security rule base. In this rule administrator denied all traffic to access checkpoint firewall. Q.What Is Cleanup Rule In Checkpoint Firewall? Ans: Cleanup rule place at last of the security rule base, Its used to drop all traffic which not match with above rule and Logged. Cleanup rule mainly created for log purpose. In this rule administrator denied all the traffic and enable log. Q.What Is Explicit Rule In Checkpoint Firewall? Ans: Its a rule in ruse base which is manually created by network security administrator that called Explicit rule. Q.What Is 3 Tier Architecture Component Of Checkpoint Firewall? Ans: Smart Console. Security Management. Security Gateway. Q.What Is The Packet Flow Of Checkpoint Firewall? Ans: SAM Database. Address Spoofing. Session Lookup. Policy Lookup. Destination NAT. Route Lookup. Source NAT. Layer 7 Inspection. Q.Explain Which Type Of Business Continuity Plan (bcp) Test Involves Shutting Down A Primary Site, Bringing An Alternate Site On-line, And Moving All Operations To The Alternate Site? Ans: Full interruption. Q.Explain Which Encryption Algorithm Has The Highest Bit Strength? Ans: AES Q.Give An Example For Simple, Physical-access Control? Ans: Lock. Q.Which Of The Following Is Not An Auditing Function That Should Be Performed Regularly? Ans: Reviewing performance logs. Q.Explain How Do Virtual Corporations Maintain Confidentiality? Ans: Encryption. Q.Explain What Type Of Document Contains Information On Alternative Business Locations, It Resources, And Personnel? Ans: Business continuity plan. Q.Explain Which Of The Following Is The Best Method For Managing Users In An Enterprise? Ans: Place them in a centralized Lightweight Directory Access Protocol. Q.What Are Enterprise Business Continuity Plan (bcp)? Ans: Accidental or intentional data deletion Severe weather disasters Minor power outages Q.Explain Which Type Of Business Continuity Plan (bcp) Test Involves Practicing Aspects Of The Bcp, Without Actually Interrupting Operations Or Bringing An Alternate Site On-line? Ans: Simulation. contact for more on Checkpoint firewall online training  

Continue reading

Chef (Software) Interview Questions

 Q.What Is A Resource? Ans: A resource represents a piece of infrastructure and its desired state, such as a package that should be installed, a service that should be running, or a file that should be generated. Q.What Is A Recipe? Ans: A recipe is a collection of resources that describes a particular configuration or policy. A recipe describes everything that is required to configure part of a system. Recipes do things such as: Install and configure software components. Manage files. Deploy applications. Execute other recipes. Q.What Happens When You Don’t Specify A Resource’s Action? Ans: When you don’t specify a resource’s action, Chef applies the default action. Q.Write A Service Resource That Stops And Then Disables The Httpd Service From Starting When The System Boots? Ans: Service ‘httpd’ do Action End Q.How Does A Cookbook Differ From A Recipe? Ans: A recipe is a collection of resources, and typically configures a software package or some piece of infrastructure. A cookbook groups together recipes and other information in a way that is more manageable than having just recipes alone. For example, in this lesson you used a template resource to manage your HTML home page from an external file. The recipe stated the configuration policy for your web site, and the template file contained the data. You used a cookbook to package both parts up into a single unit that you can later deploy. Q.How Does Chef-apply Differ From Chef-client? Ans: Chef-apply apply a single recipe; chef-client applies a cookbook. For learning purposes, we had you start off with chef-apply because it helps you understand the basics quickly. In practice, chef-apply is useful when you want to quickly test something out. But for production purposes, you typically run chef-client to apply one or more cookbooks. Q.What’s The Run-list? Ans: The run-list lets you specify which recipes to run, and the order in which to run them. The run-list is important for when you have multiple cookbooks, and the order in which they run matters. Q.What Are The Two Ways To Set Up A Chef Server? Ans: Install an instance on your own infrastructure. Use hosted Chef. Q.What’s The Role Of The Starter Kit? Ans: The Starter Kit provides certificates and other files that enable you to securely communicate with the Chef server. Q.What Is A Node? Ans: A node represents a server and is typically a virtual machine, container instance, or physical server – basically any compute resource in your infrastructure that’s managed by Chef. Q.What Information Do You Need To In Order To Bootstrap? Ans: You need: Your node’s host name or public IP address. A user name and password you can log on to your node with. Alternatively, you can use key-based authentication instead of providing a user name and password. Q.What Happens During The Bootstrap Process? Ans: During the bootstrap process, the node downloads and installs chef-client, registers itself with the Chef server, and does an initial check in. During this check in, the node applies any cookbooks that are part of its run-list. Q.Which Of The Following Lets You Verify That Your Node Has Successfully Bootstrapped? Ans: The Chef management console. Knife node list Knife node show You can use all three of these methods. Q.What Is The Command You Use To Upload A Cookbook To The Chef Server? Ans: Knife cookbook upload. Q.How Do You Apply An Updated Cookbook To Your Node? Ans: We mentioned two ways. Run knife Ssh from your workstation. SSH directly into your server and run chef-client. You can also run chef-client as a daemon, or service, to check in with the Chef server on a regular interval, say every 15 or 30 minutes. Update your Apache cookbook to display your node’s host name, platform, total installed memory, and number of CPUs in addition to its FQDN on the home page. Update index.html.erb like this. hello from < /h1> – RAM CPUs Then upload your cookbook and run it on your node. Q. What Would You Set Your Cookbook’s Version To Once It’s Ready To Use In Production? Ans: According to Semantic Versioning, you should set your cookbook’s version number to 1.0.0 at the point it’s ready to use in production. Q. Create A Second Node And Apply The Awesome Customers Cookbook To It. How Long Does It Take? Ans: You already accomplished the majority of the tasks that you need. You wrote the awesome customers cookbook, uploaded it and its dependent cookbooks to the Chef server, applied the awesome customers cookbook to your node, and verified that everything’s working. All you need to do now is: Bring up a second Red Hat Enterprise Linux or Centos node. Copy your secret key file to your second node. Bootstrap your node the same way as before. Because you include the awesome customers cookbook in your run-list, your node will apply that cookbook during the bootstrap process. The result is a second node that’s configured identically to the first one. The process should take far less time because you already did most of the work. Now when you fix an issue or add a new feature, you’ll be able to deploy and verify your update much more quickly! Q. What’s The Value Of Local Development Using Test Kitchen? Ans: Local development with Test Kitchen: Enables you to use a variety of virtualization providers that create virtual machine or container instances locally on your workstation or in the cloud. Enables you to run your cookbooks on servers that resemble those that you use in production. Speeds up the development cycle by automatically provisioning and tearing down temporary instances, resolving cookbook dependencies, and applying your cookbooks to your instances.  

Continue reading

React JS Interview Questions

What Is Reactjs? Ans: React is an open source JavaScript front end UI library developed by Facebook  for creating interactive, stateful & reusable UI components for web and mobile app. It is used by Facebook, Instagram and many more web apps. ReactJS is used for handling view layer for web and mobile applications. One of React’s unique major points is that  it perform not only on the client side, but also can be rendered on server side, and they can work together inter-operably. Why Reactjs Is Used? Ans: React is used to handle the view part of Mobile application and Web application. Does Reactjs Use Html? Ans: No, It uses JSX which is simiar to HTM. When Reactjs Released? Ans: March 2013 What Is Current Stable Version Of Reactjs? Ans: Version: 15.5 Release on: April 7, 2017 What Are The Life Cycle Of Reactjs? Ans: Initialization State/Property Updates Destruction What Are The Feature Of Reactjs? Ans: JSX: JSX is JavaScript syntax extension. Components : React is all about components. One direction flow: React implements one way data flow which makes it easy to reason about your app What Are The Advantages Of Reactjs? Ans: React uses virtual DOM which is JavaScript object. This will improve apps performance It can be used on client and server side Component and Data patterns improve readability. Can be used with other framework also. How To Embed Two Components In One Component? Ans: import React from 'react'; class App extends React.Component { render() { return ( ); } } class Header extends React.Component { render() { return ( Header ); What Are The Advantages Of Using Reactjs? Ans: Advantages of ReactJS: React uses virtual DOM which is JavaScript object. This improves application performance as JavaScript virtual DOM is faster than the regular DOM. React can be used on client and as well as server side too. Using React increases readability and makes maintainability easier. Component, Data patterns improves readability and thus makes it easier for manitaing larger apps. React can be used with any other framework (Backbone.js, Angular.js) as it is only a view layer. React’s JSX makes it easier to read the code of our component. It’s really very easy to see the layout. How components are interacting, plugged and combined with each other in app. What Are The Limitations Of Reactjs? Ans: Limitations of ReactJS: React is only for view layer of the app so we still need the help of other technologies to get a complete tooling set for development. React is using inline templating and JSX. This can seem awkward to some developers. The library of react  is too  large. Learning curve  for ReactJS may be steep. How To Use Forms In Reactjs? Ans: In React’s virtual DOM, HTML Input element presents an interesting problem. With the others DOM environment, we can  render the input or textarea and thus allows the browser maintain its   state that is (its value). we can then get and set the value implicitly with the DOM API. In HTML, form elements such as , , and itself  maintain their own state and update its state  based on the input provided by user .In React, components’ mutable state is handled by the state property  and is only updated by setState(). HTML and components use the value attribute. HTML checkbox and radio components, checked attribute is used. (within ) components, selected attribute is used for select box. How To Use Events In Reactjs? Ans: React identifies every events so that it must  have common and consistent behavior  across all the browsers. Normally, in normal JavaScript or other frameworks, the onchange event is triggered after we have typed something into a Textfield and then “exited out of it”. In  ReactJS we cannot do it in this way. The explanation is typical and  non-trivial: *” renders an input textbox initialized with the value, “dataValue”. When the user changes the input in text field, the node’s value property will update and change. However, node.getAttribute(‘value’) will still return the value used at initialization time that is dataValue. Form Events: onChange: onChange event  watches input changes and update state accordingly. onInput: It is triggered on input data onSubmit: It is triggered on submit button. Mouse Events: onClick: OnClick of any components event is triggered on. onDoubleClick: onDoubleClick of any components event is triggered on. onMouseMove: onMouseMove of any components, panel event is triggered on. onMouseOver: onMouseOver of any components, panel, divs event is triggered on. Touch Events: onTouchCancel: This event is for canceling an events. onTouchEnd: Time Duration attached to touch of a screen. onTouchMove: Move during touch device . onTouchStart: On touching a device event is generated. Give An Example Of Using Events? Ans: import React from 'react'; import ReactDOM from 'react-dom'; var StepCounter = React.createClass({ getInitialState: function() { return {counter: this.props.initialCounter }; }, handleClick: function() { this.setState({counter: this.state.counter + 1});  }, render: function() { return OnClick Event, Click Here: {this.state.counter }; } }); ReactDOM.render(< StepCounter initialCounter={7}/>, document.getElementById('content')); Explain Various Flux Elements Including Action, Dispatcher, Store And View? Ans: Flux can be better explained by defining its individual components: Actions– They are helper methods that facilitate passing data to the Dispatcher. Dispatcher– It is Central hub of app, it receives actions and broadcasts payloads to registered callbacks. Stores– It is said to be Containers for application state & logic that have callbacks registered to the dispatcher. Every store maintains particular state and it will update  when it is needed. It wakes up on a relevant dispatch to retrieve the requested data. It is accomplished by registering with the dispatcher  when constructed. They are  similar to  model in a traditional MVC (Model View Controller), but they manage the state of many objects —  it does not represent a single record of data like ORM models do. Controller Views– React Components  grabs the state from Stores and pass it down through props to child components to view to render application. What Is Flux Concept In Reactjs? Ans: Flux is the architecture of an application that Facebook uses for developing client-side web applications. Facebook uses internally when working with React. It is not a framework or a library. This is simply a new technique that complements React and the concept of Unidirectional Data Flow. Facebook dispatcher library is a sort of global pub/sub handler technique which broadcasts payloads to registered callbacks. Give An Example Of Both Stateless And Stateful Components With Source Code? Ans: Stateless and Stateful components Stateless: When a component is “stateless”, it calculates state is calculated internally but it directly  never mutates it. With the same inputs, it will always produce the same output. It means it has no knowledge of the past, current or future state changes. var React = require('react'); var Header = React.createClass({ render: function() { return(   ); } }); ReactDOM.render(, document.body); Stateful : When a component is “stateful”, it is a central point that stores every information in memory about the app/component’s state, do has the ability to change it. It has knowledge of past, current and potential future state changes. Stateful component  change the state, using this.setState method. var React = require('react'); var Header = React.createClass({ getInitialState: function() { return { imageSource: "header.png" }; }, changeImage: function() { this.setState({imageSource: "changeheader.png"}); }, render: function() { return( ); } }); module.exports = Header; Explain Basic Code Snippet Of Jsx With The Help Of A Practical Example? Ans: Your browsers does not understand JSX code natively, we need to convert it to JavaScript first which can be understand by our browsers. We have aplugin which handles including Babel 5’s in-browser ES6 and JSX transformer called browser.js. Babel will understand and recognize JSX code in tags and transform/convert it to normal JavaScript code. In case of production we will need to pre-compile our JSX code into JS before deploying to production environment so that our app renders faster. My First React JSX Example var HelloWorld = React.createClass({ render: function() { return ( Hello, World ) } }); ReactDOM.render( , document.getElementById('hello-world')); What Are The Advantages Of Using Jsx? Ans: JSX is completely optional and its not mandatory, we don’t need to use it in order to use React, but it has several advantages  and a lot of nice features in JSX. JSX is always faster as it performs optimization while compiling code to vanilla JavaScript. JSX is also type-safe, means it is strictly typed  and most of the errors can be caught during compilation of the JSX code to JavaScript. JSX always makes it easier and faster to write templates if we are familiar with HTML syntax. What Is Reactjs-jsx? Ans: JSX (JavaScript XML), lets us to build DOM nodes with HTML-like syntax. JSX is a preprocessor step which adds XML syntax to JavaScript. Like XML, JSX tags have a tag name, attributes, and children JSX also has the same. If an attribute/property value is enclosed in quotes(“”), the value is said to be string. Otherwise, wrap the value in braces and the value is the enclosed JavaScript expression. We can represent JSX as . What Are Components In Reactjs? Ans: React encourages the idea of reusable components. They are widgets or other parts of a layout (a form, a button, or anything that can be marked up using HTML) that you can reuse multiple times in your web application. ReactJS enables us to create components by invoking the React.createClass() method  features a render() method which is responsible for displaying the HTML code. When designing interfaces, we have to break down the individual design elements (buttons, form fields, layout components, etc.) into reusable components with well-defined interfaces. That way, the next time we need to build some UI, we can write much less code. This means faster development time, fewer bugs, and fewer bytes down the wire. How To Apply Validation On Props In Reactjs? Ans: When the application is running in development mode, React will automatically check  for all props that we set on components to make sure they must right correct and right data type. For instance, if we say a component has a Message prop which is a string and is required, React will automatically check and warn  if it gets invalid string or number or boolean objects. For performance reasons this check is only done on dev environments  and on production it is disabled so that rendering of objects is done in fast manner . Warning messages are generated   easily  using a set of predefined options such as: PropTypes.string PropTypes.number PropTypes.func PropTypes.node PropTypes.bool What Are State And Props In Reactjs? Ans: State is the place where the data comes from. We must follow approach  to make our state as simple as possible and minimize number of stateful components. For example, ten components that need data from the state, we should create one container component that will keep the state for all of them. The state starts with a default value and when a Component mounts and then suffers from mutations in time (basically generated from user events). A Component manages its own state internally, but—besides setting an initial state—has no business fiddling with the stateof its children. You could say the state is private. import React from 'react'; import ReactDOM from 'react-dom'; var StepCounter = React.createClass({ getInitialState: function() { return {counter: this.props.initialCount}; }, handleClick: function() { this.setState({counter: this.state. counter + 1}); }, render: function() { return {this.state.counter }; } }); ReactDOM.render(< StepCounter initialCount={7}/>, document.getElementById('content')); Props: They are immutable, this is why container component should define state that can be updated and changed. It is used to pass data down from our view-controller(our top level component). When we need immutable data in our component we can just add props to reactDOM.render() function. import React from 'react'; import ReactDOM from 'react-dom'; class PropsApp extends React.Component { render() { return ( {this.props.headerProperty} {this.props.contentProperty} ); } } ReactDOM.render(, document.getElementById('app')); } What Is The Difference Between The State And Props In Reactjs? Ans: Props: Passes in from parent component.This properties are being read by  PropsApp component and sent to ReactDOM View. State: Created inside component by getInitialState.this.state reads the property of component and update its value it by this.setState() method and then returns to ReactDOM view.State is private within the component. What Are The Benefits Of Redux? Ans: Maintainability: Maintenance of Redux becomes easier due to strict code structure and organisation. Organization: Code organisation is very strict hence the stability of the code is high which intern increases the work to be much easier. Server rendering: This is useful, particularly to the preliminary render, which keeps up a better user experience or search engine optimization. The server-side created stores are forwarded to the client side. Developer tools: It is Highly traceable so changes in position and changes in the application all such instances make the developers have a real-time experience. Ease of testing: The first rule of writing testable code is to write small functions that do only one thing and that are independent. Redux’s code is made of functions that used to be: small, pure and isolated. How Distinct From Mvc And Flux? Ans: As far as MVC structure is concerned the data, presentation and logical layers are well separated and handled. here change to an application even at a smaller position may involve a lot of changes through the application. this happens because data flow exists bidirectional as far as MVC is concerned. Maintenance of MVC structures are hardly complex and Debugging also expects a lot of experience for it. Flux stands closely related to redux. A story based strategy allows capturing the changes applied to the application state, the event subscription, and the current state are connected by means of components. Call back payloads are broadcasted by means of Redux. What Are Functional Programming Concepts? Ans: The various functional programming concepts used to structure Redux are listed below: Functions are treated as First class objects. Capable to pass functions in the format of arguments. Capable to control flow using, recursions, functions and arrays. helper functions such as reduce and map filter are used. allows linking functions together. The state doesn’t change. Prioritize the order of executing the code is not really necessary. What Is Redux Change Of State? Ans: For a release of an action, a change in state to an application is applied, this ensures an intent to change the state will be achieved. Example: The user clicks a button in the application. A function is called in the form of component So now an action gets dispatched by the relative container. This happens because the prop (which was just called in the container) is tied to an action dispatcher using mapDispatchToProps (in the container). Reducer on capturing the action it intern executes a function and this function returns a new state with specific changes. The state change is known by the container and modifies a specific prop in the component as a result of the mapStateToProps function. Where Can Redux Be Used? Ans: Redux is majorly used is a combination with reacting. it also has the ability to get used with other view libraries too. some of the famous entities like AngularJS, Vue.js, and Meteor. can get combined with Redux easily. This is a key reason for the popularity of Redux in its ecosystem. So many articles, tutorials, middleware, tools, and boilerplates are available. What Is The Typical Flow Of Data In A React + Redux App? Ans: Call-back from UI component dispatches an action with a payload, these dispatched actions are intercepted and received by the reducers. this interception will generate a new application state. from here the actions will be propagated down through a hierarchy of components from Redux store. The below diagram depicts the entity structure of a redux+react setup. What Is Store In Redux? Ans: The store holds the application state and supplies the helper methods for accessing the state are register listeners and dispatch actions. There is only one Store while using Redux. The store is configured via the create Store function. The single store represents the entire state.Reducers return a state via action export function configureStore(initialState) { return createStore(rootReducer, initialState); } The root reducer is a collection of all reducers in the application. const root Reducer = combineReducers({ donors: donor Reducer, }); Explain Reducers In Redux? Ans: The state of a store is updated by means of reducer functions. A stable collection of a reducers form a store and each of the stores maintains a separate state associated for itself. To update the array of donors, we should define donor application Reducer as follows. export default function donorReducer(state = , action) { switch (action.type) { case actionTypes.addDonor: return ; default: return state; } } The initial state and action are received by the reducers. Based on the action type, it returns a new state for the store. The state maintained by reducers are immutable. The below-given reducer it holds the current state and action as an argument for it and then returns the next state:function handelingAuthentication(st, actn) { return _.assign({}, st, { auth: actn.pyload }); } What Are Redux Workflow Features? Ans: Reset: Allow to reset the state of the store Revert: Roll back to the last committed state Sweep: All disabled actions that you might have fired by mistake will be removed Commit: It makes the current state the initial state Explain Action’s In Redux? Ans: Actions in Redux are functions which return an action object. The action type and the action data are packed in the action object. which also allows a donor to be added to the system. Actions send data between the store and application. All information’s retrieved by the store are produced by the actions. export function addDonorAction(donor) { return { type: actionTypes.add Donor, donor, }; } Internal Actions are built on top of Javascript objects and associate a type property to it. Click here to add your own text

Continue reading

Reviews

It’s a great experience to enroll for Microservices training through KITS. The trainer is technically sound in delivering the best knowledge on microservices. The course was just awesome.
- Levina
The trainer has a good agenda for completing the course. All the sessions were completed on time. Thank you for promoting the course.
- Jaffer
The support team was always available to answer all the user request . I recommend this is as the best institute in Hyderabad
- Phillip Anderson
The trainer has good exposure to microservices and delivered the best content with practical use cases. Feeling happy to take the training from here.
- RENJITH K P
Microservices training offered by KITS is excellent. All the sessions were well planned and organized. Thank you KITS for providing the best course.
- Soujanya Malapati
Im very happy to take the Informatica Data Quality training through KITS. All the sessions were well planned and conducted. These docs helped me a lot to clear the certification.
- Sai Kumar
The trainer is a knowledgeable person and a very cool person. He always ensures that the learner has understood the topic clearly.
- Jaffer
I have recently enrolled for the IDQ training at KITS. A trainer is an experienced person in data analysis and has good teaching methodologies in imparting the knowledge to the learners
- Charan
The trainer is technically sound and a cool person in analyzing Data analysis by interacting with real time data using Informatica. Feeling happy to get trained from here
- Leema