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?

628

Where does Big Data come from?

650

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?

571

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

610

What is Big Data?

615

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

629

What is the difference between big data and cloud computing?

726

What is MapReduce?

1 1853

What MapReduce framework consists of?

1095

Can we submit the mapreduce job from slave node?

1106

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 }

What is executor memory and driver memory in spark?

286

What is Fault Tolerance in Hadoop HDFS?

What does rack awareness algorithm means?

491

What is pig properties?

549

what needs to be taken care while adding a Column?

107

What is the difference between Hive CLI and Beeline?

840

Explain about mappartitions() and mappartitionswithindex()

324

Explain pigdump function?

615

Explain what is a cluster in cassandra?

What is a partition in spark?

368

What is identity mapper and chain mapper?

669

Can we broadcast an rdd?

300

What is the role of Zookeeper in HBase architecture?

606

What are the various programming languages supported by Spark?

355

What is inputformat in hadoop?

744

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