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?

627

Where does Big Data come from?

649

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

622

How big data analysis helps businesses increase their revenue?

673

What are the sources generating big data?

569

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

609

What is Big Data?

614

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

629

What is the difference between big data and cloud computing?

723

What is MapReduce?

1 1845

What MapReduce framework consists of?

1094

Can we submit the mapreduce job from slave node?

1105

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

914

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

1423

What is Reduce only jobs?

1 1707

Un-Answered Questions { Big Data }

While starting hadoop services, datanode service is not running?

439

How do big data solutions interact with the existing enterprise infrastructure?

475

What happens if the block on Hadoop HDFS is corrupted?

Elaborate on Identifiers?

121

How a task is scheduled by a jobtracker?

674

Explain Spark leftOuterJoin() and rightOuterJoin() operation?

300

Explain Multi-tenancy?

555

How Spark uses Akka?

320

What are the benefits of setting up a local repository?

Does Hive support record level Insert, delete or update?

683

Is dataframe immutable?

482

What are pig scripts?

586

What are the components of spark?

279

What are the key differences between Pig vs MapReduce?

611

What are the core benefits for hadoop users by using apache ambari?

For More Un-Answered { Big Data } Questions Click Here