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

Big Data Interview Questions

Questions Answers Views Company eMail

How to identify that the given operation is transformation or action?

1 292

Why we need compression and what are the different compression format supported?

1 307

Is ambari python client can be used to make good use of ambari api’s?

1 73

Mention what does the shell commands “capture” and “consistency” determines?

1 98

Explain what is composite type in cassandra?

1 91

Mention what are the main components of cassandra data model?

1 104

Explain what is a cluster in cassandra?

1 97

Tell any two features of flume?

1 118

What will be the result when you do cast(‘abc’ as int)?

1 814

If you omit the overwrite clause while creating a hive table,what happens to file which are new and files which already exist?

1 816

How will you convert the string ’51.2’ to a float value in the price column?

1 933

Can I do transforms or add new functionality?

1 97

Why is space not freed up when I issue drop table?

1 67

Is avro supported?

1 77

Explain what is zookeeper in kafka? Can we use kafka without zookeeper?

1 580

Un-Answered Questions { Big Data }

State some DDL Command with brief Description?

What is the latest version of spark?

288

What is the stable version of Hive ?

2673

List the advantage of Parquet file in Apache Spark?

474

What is meant by Transformation? Give some examples.

328

How you can contact your client everyday ?

1013

Can We Change settings within Hive Session? If Yes, How?

836

did you maintain the hadoop cluster in-house or used hadoop in the cloud?

1059

What is the latest version of sqoop?

What is a Hive variable? What for we use it?

854

How can I delete the above index named index_bonuspay?

777

What is the roadmap for apache mahout version 1.0?

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

518

When to use explode in Hive?

803

What are the different types of tables available in Hive?

745

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