Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Hadoop Interview Questions

Questions Answers Views Company eMail

What is Ambari shell?

How is Ambari different from ZooKeeper?

Why Ambari?

200

State benefits of Hadoop users by using Apache Ambari?

How to set up local repository manually?

In which language is the Ambari Shell is developed?

State some Ambari components which we can use for automation as well as integration?

110

What are the different methods to set up local repositories?

Name some best features of Ambari?

What is the process of creating an Ambari client?

Name some independent extensions that contribute to the Ambari codebase?

How can we see all the hosts that are available in Ambari?

Explain future growth of Apache Ambari?

Can we use Ambari Python Client to use of Ambari API’s?

Which command is used to list all the tables in a database or list all the columns in a table?

Un-Answered Questions { Hadoop }

What is the purpose of textinputformat?

745

Which companies are mostly using Hive ?

832

Explain what is logging in Cassandra?

Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?

485

What is document store db?

What is the difference between an inputsplit and a block?

681

Explain what is hbase?

158

Who should learn Apache Ambari?

What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?

499

What is spark in big data?

318

What is the advantage of cassandra?

How to fetch particular columns in pig?

635

What is setmaster in spark?

328

Compare Hadoop 2 and Hadoop 3?

464

What is a nosql database?

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