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?

568

Explain pig architecture?

546

How does pig work?

596

Why there is need of pig language?

579

What is streaming?

680

What does conf.setmapper class do?

666

What are ‘maps’ and ‘reduces’?

695

What does a split do?

620

How hadoop mapreduce works?

639

What is shuffling in mapreduce?

606

Can we rename the output file?

685

What do sorting and shuffling do?

696

Explain about the partitioning, shuffle and sort phase

670

What are the four basic parameters of a reducer?

652

what is distributed cache in mapreduce framework?

672

Un-Answered Questions { Big Data }

What are spark stages?

302

Which language is not supported by spark?

333

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

461

What is hfile ?

291

Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.

649

Should we use RAID in Hadoop or not?

1058

Explain tajo configuration files?

How to add/delete a Node to the existing cluster?

524

Can we use kafka without zookeeper?

542

What problems have you faced when you are working on Hadoop code?

968

Explain the role of offset in kafka?

516

when to choose “internal table” and “external table” in hive?

675

What is a “Distributed Cache” in Apache Hadoop?

777

How can you send large messages with kafka (over 15mb)?

498

Who invented the first spark plug?

234

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