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

Big Data Interview Questions

Questions Answers Views Company eMail

What do you know about nlineoutputformat?

1 743

How can we change the split size if our commodity hardware has less storage space?

1 726

How is hadoop different from other data processing tools?

1 716

What happens in a textinputformat?

1 725

Can you explain how do ‘map’ and ‘reduce’ work?

1 790

Can we call vms as pseudos?

1 704

What do the master class and the output class do?

1 717

What does job conf class do?

1 717

What do you know about keyvaluetextinputformat?

1 652

Define a namenode?

1 714

Explain the hadoop-core configuration?

1 750

Explain the benefits of block transfer?

1 876

Define a task tracker?

1 703

Define a metadata?

1 711

Define a daemon?

1 723

Un-Answered Questions { Big Data }

What is the latest version of sqoop?

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

1059

How you can contact your client everyday ?

1013

What is the function of UNION and SPLIT operators? Give examples?

578

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

518

When we are using queries instead of scripting?

778

What is meant by Transformation? Give some examples.

328

List the advantage of Parquet file in Apache Spark?

474

What is the stable version of Hive ?

2673

What is the latest version of ambari that is available in the present market?

Can free-form SQL queries be used with Sqoop import command? If yes, then how can they be used?

How to skip header rows from a table in Hive?

872

What is the latest version of spark?

288

How do I set up flume agent?

How can I delete the above index named index_bonuspay?

777

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