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?

421

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

407

Explain the difference between an inputsplit and a block?

387

What is the use of cloudera?

397

Can you explain edge nodes in hadoop?

401

Explain some important features of hadoop?

415

Why do we need hadoop for big data analytics?

407

What are the important modes of hadoop?

495

Can you explain the common input formats in hadoop?

476

Explain edge nodes in hadoop?

407

What are the important features of hadoop?

405

Explain the common input formats in hadoop?

434

Can hadoop replace relational database?

389

Which database is used in hadoop?

449

How does hadoop achieve fault tolerance?

369

Post New Hadoop General Questions

Un-Answered Questions { Hadoop General }

What happens if the number of reducers is 0 in Hadoop?

457

Clarify what webdav is in hadoop?

428

What are the port numbers of job tracker?

485

Define a record reader?

365

What is the NameNode port number?

361

Clarify what a task tracker is in hadoop?

391

What is TaskTracker?

447

We have already sql then why nosql?

387

What is a Heartbeat in Hadoop?

521

What are some typical functions of job tracker in hadoop?

390

What is heartbeat in hadoop?

394

What does rack awareness algorithm means?

449

Mention what is rack awareness?

356

Can I set the number of reducers to zero?

375

After increasing the replication level, I still see that data is under replicated. What could be wrong?

422

For More Un-Answered { Hadoop General } Questions Click Here