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?

685

Where does Big Data come from?

707

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

681

How big data analysis helps businesses increase their revenue?

729

What are the sources generating big data?

623

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

671

What is Big Data?

662

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

687

What is the difference between big data and cloud computing?

773

What is MapReduce?

1 1930

What MapReduce framework consists of?

1156

Can we submit the mapreduce job from slave node?

1170

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

962

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

1487

What is Reduce only jobs?

1 1784

Un-Answered Questions { Big Data }

Can a table be renamed in Hive?

779

What is jmx? And how is it useful in cassandra?

What is cluster mode in spark?

333

How is dag created in spark?

307

What are the functionalities of jobtracer?

468

What is the best way to copy files between HDFS clusters?

721

What is a Block Scanner in HDFS?

101

Explain the key benefits of using storm for real time processing?

469

What are the ways in which one can know that the given operation is transformation or action?

294

Explain various cluster manager in Apache Spark?

405

What is Combiner in Hadoop?

583

What do hive variable means? How can we utilize it?

635

What is OutputCommitter?

866

What is a Combiner?

798

Is it possible to leverage real-time analysis of the big data collected by Flume directly? If yes, then explain how?

148

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