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 graph db?

How is a keyspace created in cassandra?

119

What is cqlsh? And why is it used?

What is document store db? Explain with an example.

What is a nosql database?

What is python stress test in cassandra?

What are partitions in cassandra?

Why is jconsole used?

what do you mean by compaction?

What is key-value store db?

What are the different types of primary key?

What is a primary key? And what are it’s different types?

Differentiate between the various types of primary keys in cassandra.

What are the different types of partitioners in cassandra?

What is a row in cassandra? And what are the different elements of it?

Un-Answered Questions { Big Data }

Should I install spark on all nodes of yarn cluster?

323

What are possible types of Channel Selectors?

101

In Map Reduce why map write output to Local Disk instead of HDFS?

873

How to skip header rows from a table in Hive?

766

How to open a connection in hbase?

145

What are the capabilities of kafka?

515

What is cluster manager in spark?

287

what is Speculative Execution?

795

What is Cassandra-Cqlsh?

125

What is Flatten and what it do in PIG?

588

Is hadoop the future?

603

How rdd persist the data?

282

Explain what are the various types of Transformation on DStream?

259

Explain Catalyst framework?

342

What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?

806

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