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?

639

Define role of value in big data?

643

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

537

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

541

Define role of veracity in big data?

539

Big data is a good life?

527

What are 3 core dimension of big data?

554

List few components that are using big data?

545

Why big data?

554

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

561

What is big data or hooda?

533

Define role of volume in big data?

565

Define role of velocity in big data?

618

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

581

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

515

Un-Answered Questions { Big Data }

Can we run unix shell commands from hive? Can hive queries be executed from script files? How? Give an example.

800

What are the port numbers of task tracker?

464

How the HDFS Blocks are replicated?

962

State some impala hadoop benefits?

How to create directory in HDFS?

Who creates dag in spark?

336

What are Actions? Give some examples.

316

What are the Advantages of using Cassandra ?

What is Spark MLlib?

406

Explain Apache Ambari?

Virtual Box & Ubuntu Installation?

989

What will be the output of cast ('XYZ' as INT)?

687

What is the Job interface in MapReduce framework?

906

Define Partition and Partitioner in Apache Spark?

303

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

459

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