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 does Cassandra perform write function?

Define a column family?

Define consistency?

131

Define the use of Source Command in Cassandra?

Give key features of any NoSQL database?

104

Explain Zero Consistency?

108

Define Nodetool Utility?

What do you mean by data center in Cassandra?

When do you have to avoid secondary indexes?

What is ColumnFamily?

Explain the concept of compaction in Cassandra?

What is cluster in Cassandra?

Describe Memtable?

How the SSTable is different from other relational tables?

What is a keyspace in Cassandra?

103

Un-Answered Questions { Big Data }

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

What is Big Data?

614

Why do we need sparkcontext?

297

Can we have multiple entries in the master files?

694

Does spark use java?

323

What is the use of spark in big data?

348

what is Zookeeper in Kafka? Can we use Kafka without Zookeeper?

551

How to save RDD?

313

Is spark based on hadoop?

312

What is the best method for Storing Objects in Cassandra ?

In which language is the Ambari Shell is developed?

Explain fold() operation in spark?

309

Difference between hive and impala?

728

What are the additional benefits YARN brings in to Hadoop?

963

what is Cassandra- CQL collections?

105

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