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?

585

Where does Big Data come from?

611

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

581

How big data analysis helps businesses increase their revenue?

631

What are the sources generating big data?

507

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

565

What is Big Data?

572

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

590

What is the difference between big data and cloud computing?

686

What is MapReduce?

1 1757

What MapReduce framework consists of?

1065

Can we submit the mapreduce job from slave node?

1058

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

872

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

1394

What is Reduce only jobs?

1 1629

Un-Answered Questions { Big Data }

Kafka can be used for which kind of applications?

481

Explain what is “map” and what is "reducer" in hadoop?

607

In Hadoop, which file controls reporting in Hadoop?

751

What was the design goal of Cassandra?

What is the main objective of creating Cassandra?

What is a sqoop metastore?

Why is block size set to 128 MB in HDFS?

Can you define rdd?

289

Explain deletion in hbase?

148

Explain the steps to be followed to deploy a big data solution?

454

How do you handle compression in pig?

526

What is Small File Problem in Hadoop? How can it be resolved?

499

Explain hbasestorage function?

555

What type of data we should put in distributed cache? When to put the data in dc? How much volume we should put in?

411

What is spark machine learning?

232

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