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 are the different functions available in pig latin language?

1 620

Explain pig architecture?

1 597

How does pig work?

1 659

Why there is need of pig language?

1 644

What is streaming?

1 745

What does conf.setmapper class do?

1 736

What are ‘maps’ and ‘reduces’?

1 758

What does a split do?

1 695

How hadoop mapreduce works?

1 708

What is shuffling in mapreduce?

1 674

Can we rename the output file?

1 755

What do sorting and shuffling do?

1 766

Explain about the partitioning, shuffle and sort phase

1 751

What are the four basic parameters of a reducer?

1 727

what is distributed cache in mapreduce framework?

1 741

Un-Answered Questions { Big Data }

When to choose "External Table" in Hive?

851

How to set property in apache tajo?

How can you import only a subset of rows from a table?

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

530

What is the roadmap for apache driver version one.0?

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

840

When we are using queries instead of scripting?

782

Which modes can Hadoop be run in? List a few features for each mode?

523

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

858

What is meant by Transformation? Give some examples.

351

When to use explode in Hive?

808

How do I set up flume agent?

109

What is the latest version of spark?

310

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

1059

What is the latest version of sqoop?

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