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?

616

Explain what is storage and compute nodes?

515

Explain how jobtracker schedules a task?

471

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

439

What happens in text format?

441

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

446

Explain what is a task tracker in hadoop?

463

Explain what is speculative execution?

428

Explain what happens in text format?

579

Mention what is distributed cache in hadoop?

445

Explain how can you debug hadoop code?

472

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

435

Explain what is webdav in hadoop?

513

Mention what job does the conf class do?

425

For using hadoop list the network requirements?

475

Un-Answered Questions { Big Data }

What is the difference between structured and unstructured big data?

529

How sparksql is different from hql and sql?

502

What is lineage graph in spark?

289

Differentiate between nas and hdfs

555

Which Sorting algorithm is used in Hadoop MapReduce?

605

How do you run pig scripts on kerberos secured cluster?

547

Can you explain the benefits of big data?

598

Does spark use hive?

267

What is the meaning of the term "non-DFS used" in Hadoop web-console?

1310

Explain about the bloommapfile?

628

What is HBase?

359

What is the use of illustrate in pig?

520

Whether Pig Latin language is case-sensitive or not?

660

What is spark yarn executor memoryoverhead?

370

What is the default location where hive stores table data?

694

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