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 document store db?

Explain the different types of repairs.

What do you mean by snitch?

How does gossip protocol work?

What is column store db? Explain with an example.

What is simple strategy?

131

Why is jconsole used? What is it’s different elements?

What is jmx? And how is it useful in cassandra?

What are the different types of data model?

How does cassandra perform write operations?

Why is cqlsh used?

135

What are tokens in cassandra?

What is a column family?

Explain the terms memtable, commitlog and sstables.

What is hinted handoff?

Un-Answered Questions { Big Data }

What is reduce side join in mapreduce?

615

Use of list-databases command in hadoop sqoop?

what is WebDAV in Hadoop?

731

What is the use of explode in Hive?

729

What role does worker node play in Apache Spark Cluster? And what is the need to register a worker node with the driver program?

346

Can we create a hadoop cluster from scratch?

436

Define a column family?

Can hbase run without hadoop?

743

Explain the difference between Spark SQL and Hive.

390

What is connection_loss error?

What is a namenode in hadoop?

Which java class handles the Input record encoding into files which store the tables in Hive?

730

What is the best practice to deploy the secondary name node?

454

What do you understand by the term data storage?

550

Explain what is cassandra?

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