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?

615

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

586

How big data analysis helps businesses increase their revenue?

635

What are the sources generating big data?

507

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

571

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 1762

What MapReduce framework consists of?

1067

Can we submit the mapreduce job from slave node?

1060

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

875

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

1396

What is Reduce only jobs?

1 1638

Un-Answered Questions { Big Data }

Explain the main difference between kafka and flume?

571

What alternate way does HDFS provides to recover data in case a Namenode

913

What are the different types of partitioners in cassandra? Explain.

what does the text input format do?

781

Why lazy evaluation is good in spark?

268

Why is space not freed up when I issue drop table?

How to setup the local repository manually?

What are the other components of ambari that are important for automation and integration?

How many layers of Hadoop components are supported by Apache Ambari and what are they?

What are the different types of tables available in Hive?

656

Name the most common Input Formats defined in Hadoop? Which one is default?

441

What is the role of recordreader in hadoop mapreduce?

707

Which command is used to start the cqlsh prompt?

263

How can you add a new partition for the month December in the above partitioned table?

640

When would you use hbase?

178

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