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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?

577

Explain what is storage and compute nodes?

475

Explain how jobtracker schedules a task?

427

Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?

397

What happens in text format?

414

Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?

403

Explain what is a task tracker in hadoop?

391

Explain what is speculative execution?

388

Explain what happens in text format?

526

Mention what is distributed cache in hadoop?

401

Explain how can you debug hadoop code?

434

Explain how can you check whether namenode is working beside using the jps command?

395

Explain what is webdav in hadoop?

475

Mention what job does the conf class do?

389

For using hadoop list the network requirements?

424

Un-Answered Questions { Big Data }

Is hadoop mandatory for spark?

259

What are the important modes of hadoop?

495

What is the use of spark?

255

Discuss about the different tombstone markers used for deletion purposes in HBase.?

175

What is Ambari shell?

How apache impala works with cdh?

What is compute and Storage nodes?

985

What is High Availability feature in Hadoop2?

405

Define fault tolerance?

607

What is Writable & WritableComparable interface?

893

How one can format Hadoop HDFS?

Can we have multiple entries in the master files?

650

What is used to store data generally?

What is LazyOutputFormat in Hadoop?

459

Mention how hadoop is different from other data processing tools?

374

For More Un-Answered { Big Data } Questions Click Here