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 is dag created in spark?

1 384

What does spark do during speculative execution?

1 416

What is heap memory in spark?

1 361

What is external shuffle service in spark?

1 386

What is spark client?

1 371

Which are the various data sources available in spark sql?

1 373

Can you run spark without hadoop?

1 403

What is tungsten engine in spark?

1 419

What is stage and task in spark?

1 326

What is spark execution engine?

1 460

Is spark sql a database?

1 355

Is spark distributed computing?

1 386

What is row rdd in spark?

1 379

How is rdd fault?

1 379

How does reducebykey work in spark?

1 353

Un-Answered Questions { Big Data }

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

547

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

When to use explode in Hive?

832

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

111

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

876

State some DDL Command with brief Description?

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

Give me the examples of Columnar database ?

667

How you can contact your client everyday ?

1039

What is the latest version of sqoop?

How do I set up flume agent?

135

How to skip header rows from a table in Hive?

900

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

Explain how RDDs work with Scala in Spark

405

Where does the data of a Hive table gets stored?

744

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