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 are the essential hooping tools that improve performance? Big data?

651

Define role of value in big data?

654

what are the languages supported by apache spark for developing big data applications?

560

What is the difference between cassandra, hadoop big data, mongodb, couchdb?

551

Define role of veracity in big data?

559

Big data is a good life?

534

What are 3 core dimension of big data?

564

List few components that are using big data?

557

Why big data?

565

What are basic steps to be performed while working with big data?

575

What is big data or hooda?

545

Define role of volume in big data?

572

Define role of velocity in big data?

628

Name the language supported by apache spark for developing big data applications?

592

What are 2 v’s less known dimension of big data?

524

Un-Answered Questions { Big Data }

What do you understand by node in cassandra?

Explain catalyst query optimizer in Apache Spark?

315

What is oozie in hadoop?

678

What is the use of flatmap in spark?

287

Difference between hive and impala?

742

What is the Repository?

I have a relation r. How can I get the top 10 tuples from the relation r?

575

Describe Replication Factor?

Explain Accumulator in Spark?

435

What is the use of checkpoints in spark?

322

Explain some Disadvantages of Avro?

What is a pipelinedrdd?

439

How can we change the split size if our commodity hardware has less storage space?

677

Command to format the NameNode?

947

Explain a common use case for Flume?

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