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

Big Data Interview Questions

Questions Answers Views Company eMail

Why is Kafka technology significant to use?

511

Explain the role of the offset?

535

What is the process for starting a Kafka server?

590

What can you do with Kafka?

530

What roles do Replicas and the ISR play?

545

What is the role of the ZooKeeper in Kafka?

526

What are the types of traditional method of message transfer?

592

Explain the role of the Kafka Producer API?

519

In the Producer, when does QueueFullException occur?

552

Why are Replications critical in Kafka?

571

What does ISR stand in Kafka environment?

656

What are consumers or users?

614

What is the main difference between Kafka and Flume?

689

Is it possible to use Kafka without ZooKeeper?

650

What is the purpose of retention period in Kafka cluster?

661

Un-Answered Questions { Big Data }

Is spark built on top of hadoop?

315

What does consumer api in kafka?

507

Whether the output of mapper or output of partitioner written on local disk?

671

What is a Column family in hbase?

196

Which command do we use to run HBase Shell?

197

Can you explain record reader?

431

Why we need compression and what are the different compression format supported?

282

What is the unit of data that flows through a flume agent?

374

What is Apache Spark Machine learning library?

314

What is CTAS Table in Hive?

737

For a Hadoop job, how will you write a custom partitioner?

651

Are spark dataframes distributed?

314

Does Apache Sqoop have a default database?

Who invented hadoop?

684

In which directory hadoop is installed?

405

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