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?

588

Where does Big Data come from?

613

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

584

How big data analysis helps businesses increase their revenue?

633

What are the sources generating big data?

507

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

569

What is Big Data?

574

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 1758

What MapReduce framework consists of?

1066

Can we submit the mapreduce job from slave node?

1060

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

873

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

1396

What is Reduce only jobs?

1 1631

Un-Answered Questions { Big Data }

What are the possible Job roles?

What is Disk Balancer in Hadoop?

464

What do you understand by worker node?

270

Explain about mappartitions() and mappartitionswithindex()

304

How is transformation on rdd different from action?

334

What do you understand by compaction?

156

Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?

636

What is the major difference between local and remote meta-store?

873

What is worker node in Apache Spark cluster?

288

What is ng in flume?

Can we submit the mapreduce job from slave node?

1060

What are the two main components of ResourceManager?

1110

What are the three types of tombstone markers in hbase?

148

What is a Secondary Namenode? Is it a substitute to the Namenode?

991

What is dataframe in spark?

266

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