Hadoop General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Hadoop General Interview Questions

Questions Answers Views Company eMail

Explain in which directory hadoop is installed?

469

List of the some best tools that can be useful for data-analysis?

437

Explain the difference between an inputsplit and a block?

428

What is the use of cloudera?

448

Can you explain edge nodes in hadoop?

437

Explain some important features of hadoop?

447

Why do we need hadoop for big data analytics?

431

What are the important modes of hadoop?

536

Can you explain the common input formats in hadoop?

527

Explain edge nodes in hadoop?

441

What are the important features of hadoop?

444

Explain the common input formats in hadoop?

467

Can hadoop replace relational database?

422

Which database is used in hadoop?

481

How does hadoop achieve fault tolerance?

416

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Un-Answered Questions { Hadoop General }

What is hadoop? Name the main components of a hadoop application?

445

How would you restart NameNode?

422

What do you understand by a closure in scala?

488

Explain Erasure Coding in Hadoop?

503

What does name-node mean in hadoop?

475

Explain what is speculative execution?

424

We have already sql then why nosql?

422

What is the most widely recognized info formats characterized in hadoop?

431

What do you understand by standalone (or local) mode?

428

What does rack awareness algorithm means and why is it utilized as a part of hadoop?

433

According to IBM, what are the three characteristics of Big Data?

436

What is job tracker in Hadoop?

500

What is namenode?

482

Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?

428

Can you explain sequence file in hadoop?

407

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