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

Big Data Interview Questions

Questions Answers Views Company eMail

Does spark need hadoop?

1 305

How do I install spark?

1 293

Does hadoop install spark?

1 310

What is the difference between rdd and dataframe in spark?

1 369

Is spark difficult to learn?

1 325

Where is spark used?

1 386

What is apache spark core?

1 315

What is in memory in spark?

1 298

Why is apache spark so fast?

1 303

What is spark database?

1 349

What languages support spark?

1 305

When to use coalesce and repartition in spark?

1 348

Can spark work without hadoop?

1 357

Can a spark cause a fire?

1 348

What is scala and spark?

1 300

Un-Answered Questions { Big Data }

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

518

How you can contact your client everyday ?

1013

When to use explode in Hive?

803

How to skip header rows from a table in Hive?

872

What is the roadmap for apache mahout version 1.0?

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

836

What are the different types of tables available in Hive?

745

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

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

517

How job tracker schedules an assignment?

472

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

578

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

1059

When we are using queries instead of scripting?

778

What is the latest version of sqoop?

When to choose "External Table" in Hive?

847

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