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 future of Big Data trend?

572

Where does Big Data come from?

597

What are Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift?

565

How big data analysis helps businesses increase their revenue?

624

What are the sources generating big data?

499

What do the four V's of Big Data denote?

553

What is Big Data?

563

Why do we need a new framework for handling big data?

577

What is the difference between big data and cloud computing?

672

What is MapReduce?

1 1742

What MapReduce framework consists of?

1056

Can we submit the mapreduce job from slave node?

1048

How can we control particular key should go in a specific reducer?

861

How can you add the arbitrary key-value pairs in your mapper?

1384

What is Reduce only jobs?

1 1619

Un-Answered Questions { Big Data }

What are the main features of SPM in Cassandra?

What are the different commands used to startup and shutdown Hadoop daemons?

478

Explain what is webdav in hadoop?

474

What are the disservices of utilizing Apache Spark over Hadoop MapReduce?

580

List the relational operators in pig.

587

What is the port number for NameNode

795

What is the role of Zookeeper in HBase architecture?

604

What are the drawbacks of Pig?

550

Does spark sql use hive?

254

What is the problem with small files in Apache Hadoop?

725

What is the use of tools command?

190

Is reduce-only job possible in Hadoop MapReduce?

648

How client application interacts with the NameNode?

906

Does sqoop use mapreduce?

What is sc parallelize in spark?

270

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