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 DDL commands used in hbase?

156

How will you explain COGROUP in Pig?

693

What are the 2 modes used to run pig scripts?

649

What co-group does in Pig?

670

Is the keyword ‘FUNCTIONAL’ a User Defined Function (UDF)?

596

Is the keyword ‘DEFINE’ as a function name?

607

How to show up details in pig ?

634

What does FOREACH do?

614

What relational operators can we use that are related to combining and splitting in Pig language?

592

What are the different modes available in Pig?

601

How is Pig Useful For?

671

How to restrict the number of lines to be printed in pig ?

624

What is the difference between logical and physical plans?

592

What are Pig Execution modes?

672

What is bag data type in Pig?

721

Un-Answered Questions { Big Data }

explaine wal in hbase?

180

In what ways sparksession different from sparkcontext?

360

What does heartbeat in hdfs means?

Explain the hadoop configuration files at present?

706

What do you mean by Speculative execution in Apache Spark?

314

Who are ‘Data Scientists’?

462

What are the different composite keys in Cassandra?

What is the benifit of Distributed cache, why can we just have the file in HDFS and have the application read it?

Who is the founder of spark?

326

How many job tracker processes can run on a single Hadoop cluster?

521

List out the different stream grouping in apache storm?

433

Explain about the different cluster managers in Apache Spark

353

What is data processing in big data?

728

Do we require two servers for the namenode and the datanodes?

563

Mention what is the number of default partitioner in Hadoop?

751

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