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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain the wordcount implementation via hadoop framework ?

724

What is hadoop framework?

723

What is partioner in hadoop? Where does it run,mapper or reducer?

673

What is a task instance in hadoop? Where does it run?

615

How to enable recycle bin in hadoop?

766

How to enable trash/recycle bin in hadoop?

739

What is small file problem in hadoop?

785

What are the default configuration files that are used in hadoop?

691

What exactly is hadoop?

693

Can we do online transactions(oltp) using hadoop?

669

Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?

692

What is output format in hadoop?

683

How to enable/configure the compression of map output data in hadoop?

766

What hadoop does in safe mode?

650

What is inputformat in hadoop?

744

Un-Answered Questions { Big Data }

What is impala’s aggregation strategy?

Name three data source available in SparkSQL

307

What is the difference between Pig and SQL?

638

What are the hadoop configuration files at present?

476

How do I check my spark status?

276

What is cluster in Cassandra data model?

Define data integrity?

Explain the uses of PIG?

984

What is MapReduce? What are the syntax you use to run a MapReduce program?

667

Explain the zookeeper workflow?

Can a table be renamed in Hive?

735

Differentiate between the terms: node, a cluster, and data center in cassandra?

What are the different features of Cassandra?

What is reduce side join in mapreduce?

616

Use of Codegen command in Hadoop sqoop?

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