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

Big Data Interview Questions

Questions Answers Views Company eMail

What is the relationship between Jobs and Tasks in Hadoop?

666

Who are ‘Data Scientists’?

469

Tell me some major benefits of Hadoop?

462

What is structured and unstructured data?

509

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

480

Which port does SSH work on?

446

Is there another way to check whether Namenode is working?

467

What is the NameNode port number?

441

Give me an example of document database ?

539

What is the characteristic of streaming API that makes it flexible run MapReduce jobs in languages like Perl, Ruby, Awk etc.?

494

What are the four modules that make up the Apache Hadoop framework?

601

How does job tracker schedule a job for the task tracker?

497

What is 'jps'?

478

Explain about Hadoop file system and processing framework?

470

How Hadoop is cost-effective?

463

Un-Answered Questions { Big Data }

State benefits of Hadoop users by using Apache Ambari?

What is the difference between the external table and managed table?

759

Difference between cassandra and mongodb?

Define catalog tables in HBase?

218

What happens when you submit spark job?

288

What is a commodity hardware? Does commodity hardware include RAM?

566

Compare MapReduce and Spark?

310

What is Partioner in hadoop? Where does it run

1031

How to set up local repository manually?

What is skew data?

310

What is graph db? Explain with an example.

What are the uses and applications of mahout ?

what is the traditional method of message transfer?

722

Why do I have to use refresh and invalidate metadata, what do they do?

What is the difference between kafka and mq?

558

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