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

Big Data Interview Questions

Questions Answers Views Company eMail

In which language Cassandra is written?

What is the difference between a node, a cluster, and data centre?

255

What are the main components of Cassandra data models?

115

What are the other components of Cassandra?

What is Cassandra-Cqlsh?

129

What are the usage of different consistency levels for write operations ?

What are the consistency levels for write operations in Cassandra?

Who was the original author of Cassandra?

What are the different CQL data manipulation commands in Cassandra?

115

What is the use of tracing cqlsh command in Cassandra?

Which query language is used in Cassandra database?

104

Does Cassandra work on Windows?

What is Hector in Cassandra?

102

Which command is used to start the cqlsh prompt?

267

What is the use of Bloom Filter in Cassandra?

125

Un-Answered Questions { Big Data }

What is sink in flume?

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

955

What is azure spark?

295

What is dag spark?

327

how would you modify that solution to only count the number of unique words in all the documents?

973

Is spark better than mapreduce?

278

What is UDF in Pig?

654

While starting hadoop services, datanode service is not running?

439

What are mapreduce new and old apis while writing map reduce program?. Explain how it works

656

Difference between cassandra and mongodb?

What does connector api in kafka?

509

What is the purpose of exploding in hive?

670

What is “serde” in “hive”?

693

What's rdd?

284

Explain a simple Map/Reduce problem.

723

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