Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

How is the distance between two nodes defined in Hadoop?

1455

What is bucketing in Hive?

1 2066

What is speculative execution in Hadoop?

1051

How we can change Replication factor when Data is on the fly?

1342

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

955

What are the problems with Hadoop 1.0?

1048

what are the nodes in the Hadoop cluster?

1045

What are the differences between Hive and RDBMS?

1 2353

What Mapper does?

984

What is your favourite tool in the hadoop ecosystem?

958

What is the function of NodeManager?

907

Difference between SQL and HiveQL ?

1 3558

what is pig?

836

What are the steps involved in MapReduce framework?

980

explain Metadata in Namenode?

917

Un-Answered Questions { Big Data }

What is the advantage of using –password-file rather than -P option while preventing the display of password in the sqoop import statement?

Mention how hadoop is different from other data processing tools?

409

What is the inputsplit in map reduce software?

620

What is graph db?

What is sharding in big data?

499

Compare Spark vs Hadoop MapReduce

330

How does A/B testing work?

634

What is cassandra database used for?

how can we access the sub directories recursively?

792

Name a few import control commands. How can Sqoop handle large objects?

Mention what are views in Hive?

694

Explain the RDD properties?

311

What do you understand by Executor Memory in a Spark application?

473

Is HDFS utilized in Cassandra? If yes, where?

HCatalog helps to Integrate Hadoop with everything. Explain?

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