Interview Questions

Oracle Data Guard Interview Questions

Oracle Data Guard Interview Questions

 Q1. What is a Dataguard? Ans: Oracle Dataguard is a disaster recovery solution from Oracle Corporation that has been utilized in the industry extensively at times of Primary site failure, failover, switchover scenarios. Q2.What are the uses of Oracle Data Guard? Ans: a) Oracle Data Guard ensures high availability, data protection, and disaster recovery for enterprise data. b) Data Guard provi

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DataStage Interview Questions

DataStage Interview Questions

Q1. Define Data Stage? Ans: A data stage is basically a tool that is used to design, develop and execute various applications to fill multiple tables in data warehouse or data marts. It is a program for Windows servers that extracts data from databases and change them into data warehouses. It has become an essential part of IBM WebSphere Data Integration suite. Q2. Explain how a source file is

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Business Analyst Interview Questions

Business Analyst Interview Questions

 Q. How do you define a requirement? Ans: A requirement is the capability possessed by a solution to solve a problem or achieve an objective. Q. How do you define the role of a BA in an organization? Ans: A business analyst is a liaison between different stakeholders in an organization. He acts as a bridge, a connector and helps the complete project team work as a tightly integrated unit. Sinc

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AWS Interview Questions

AWS Interview Questions

Q1. Explain Elastic Block Storage?  What type of performance can you expect?  How do you back it up?  How do you improve performance? EBS is a virtualized SAN or storage area network.  That means it is RAID storage to start with so it's redundant and fault tolerant.  If disks die in that RAID you don't lose data.  Great!  It is also virtualized, so you can provision and allocate storage,

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Angular JS Interview Questions

Angular JS Interview Questions

 Q. What is AngularJS? Ans. AngularJS is an open-source JavaScript framework developed by Google. It helps you to create single-page applications or one-page web applications that only require HTML, CSS, and JavaScript on the client side. It is based on MV-* pattern and allow you to build well structured, easily testable, and maintainable front-end applications. AngularJS has changed the way t

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Android Interview Questions

Android Interview Questions

Q.What Is Android? Ans:  Android is a stack of software for mobile devices which has Operating System, middleware and some key applications. The application executes within its own process and its own instance of Dalvik Virtual Machine. Many Virtual Machines run efficiently by a DVM device. DVM executes Java languages byte code which later transforms into .dex format files. Q.Explain About The

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Active Directory Interview Questions

Active Directory Interview Questions

  Q.Define what is Active Directory ? Answer: Active Directory is a Meta Data. Active Directory is a data base which store a data base like your user information, computer information and also other network object info. It has capabilities to manage and administrate  the complete Network which connect with AD. Q.What’s the difference between local, global and universal groups? Answer: Domai

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Ab Initio Interview Questions

Ab Initio Interview Questions

Q.What is surrogate key? Answer: surrogate key is a system generated sequential number which acts as a primary key. Q.Differences Between Ab-Initio and Informatica? Answer: Informatica and Ab-Initio both support parallelism. But Informatica supports only one type of parallelism but the Ab-Initio supports three types of parallelisms. Component Data Parallelism Pipe Line parallelism.  We d

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