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?

678

Where does Big Data come from?

703

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

676

How big data analysis helps businesses increase their revenue?

724

What are the sources generating big data?

619

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

667

What is Big Data?

659

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

683

What is the difference between big data and cloud computing?

770

What is MapReduce?

1 1929

What MapReduce framework consists of?

1155

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?

1485

What is Reduce only jobs?

1 1784

Un-Answered Questions { Big Data }

What are the data types of Pig Latin?

610

What is the difference between Hiveserver1 and Hiveserver2?

855

What is sink in flume?

How do we represent data in Spark?

374

What is the function of ApplicationMaster?

1017

What are the consistency levels for read operations in Cassandra?

105

Explain why are replications critical in kafka?

552

Explain small file problem in hadoop

465

How is Pig Useful For?

671

What is the difference between apache mahout and spark mllib ?

What is a generic UDF in the hive?

800

How do I install spark?

291

What is the difference between nas (network attached storage) and hdfs?

How does yarn work with spark?

303

Define NoSQL Database?

104

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