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 the benefits of big data?

526

What are the steps to be followed to deploy a big data solution?

572

Define oozie?

524

Explain the important tools useful for big data?

541

Explain edge nodes in hadoop?

440

What are the important features of hadoop?

441

Explain the common input formats in hadoop?

465

How are file systems checked in hdfs?

What is cassandra used for?

Can hadoop replace relational database?

421

Which database is used in hadoop?

481

Which database is best for big data?

525

Is big data unstructured?

516

What is big data concept?

526

What is big data in dbms?

600

Un-Answered Questions { Big Data }

How to set up local repository manually?

Define data lake?

566

What is the command for archiving a group of files in hdfs.

What is Apache Spark Streaming?

325

What are the exact differences between reduce and fold operation in Spark?

450

Do you need to install spark on all nodes of yarn cluster?

2033

What is stage and task in spark?

226

How is transformation on rdd different from action?

343

Why is Kafka technology significant to use?

511

Is the keyword 'DEFINE' like a function name?

951

What is Identity reducer?

520

What do you think about the speculative execution?

435

When to use Cassandra?

124

What combiners is and when you should use a combiner in a MapReduce Job?

623

When a large data set is maintained?

713

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