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 al
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.
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? An
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
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
IBM WebSphere Interview Questions
Q.Explain About Web Sphere? Ans: The word web sphere popularly refers to IBM middleware technology products. Web sphere is known for its turn key operation in e business applications. It has run time components and tools which can help in creating applications which run on WAS. WAS refers to web sphere application server. Q.Explain About Web Sphere Commerce? Ans: IBM web sphere commerce has
Ajax Interview Questions
Q.What Is Ajax? Ans: AJAX (Asynchronous JavaScript and XML) is a newly coined term for two powerful browser features that have been around for years, but were overlooked by many web developers until recently when applications such as Gmail, Google Suggest, and Google Maps hit the streets. Ajax isn’t a technology. It’s really several technologies, each flourishing in its own right, coming t
MicroServices Interview Questions
Q.What Are Microservices? Ans: Microservices is a variant of the service-oriented architecture (SOA) architectural style that structures an application as a collection of loosely coupled services. In a microservices architecture, services should be fine-grained and the protocols should be lightweight. The benefit of decomposing an application into different smaller services is that it improve
Advanced Linux Interview Questions
Q.What Is The Difference Between Ctrl-c And Ctrl-z? Ans: When you have a process in progress which handle your prompt, there are some signals (orders) that we can send to theses process to indicate what we need: Control+C sends SIGINT which will interrupt the application. Usually causing it to abort, but a process is able to intercept this signal and do whatever it likes: for instance, from
Informatica MDM Interview Questions
Q. What Is Mdm? Ans: Master data management (MDM) is a comprehensive method of enabling an enterprise to link all of its critical data to one file, called a master file, that provides a common point of reference. When properly done, MDM streamlines data sharing among personnel and departments. Q. Has Mdm Gone Mainstream? Do People “get It?” Ans: There is huge awareness of MDM. Gartner recen
Informatica Interview Questions
INFORMATICA INTERVIEW QUESTIONS & ANSWERS Q.What Can We Do To Improve The Performance Of Informatica Aggregator Transformation? Ans: Aggregator performance improves dramatically if records are sorted before passing to the aggregator and "sorted input" option under aggregator properties is checked. The record set should be sorted on those columns that are used in Group By operation. It is often
SQL Server 2008 Interview Questions
Q.What Is Cursor? Ans: Cursor is a database object used by applications to manipulate data in a set on a row-by-row basis, instead of the typical SQL commands that operate on all the rows in the set at one time. In order to work with a cursor we need to perform some steps in the following order: • Declare cursor • Open cursor • Fetch row from the cursor • Process fetched row • Close