Apache Cassandra Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Cassandra Interview Questions

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What is the role of CQLSH?

Define data centre?

102

Define composite key?

Can we change Replication Factor on a live cluster?

What is bloom filter?

Talk about the concept of tunable consistency in Cassandra.

Establish the difference between a node, cluster & data centres in Cassandra.

Explain Tombstone in Cassandra?

List the steps in which Cassandra writes changed data into commitlog?

Does Cassandra support ACID transactions?

What is the replica placement Strategy in Cassandra ?

What are the main features of SPM in Cassandra?

Can you add or remove Column Families in a working Cluster?

What is CQL?

Define composite type in Cassandra?

Un-Answered Questions { Apache Cassandra }

What are tokens in cassandra?

What do you understand by the term snitch in cassandra? Give some example.

How to iterate all rows in ColumnFamily?

What is the best method for Storing Objects in Cassandra ?

Clarify Memtable?

Explain the rudimentary difference between Cassandra and HBase?

What is a keyspace in Cassandra?

What are the parameters used to create keyspace in cassandra?

What are the benefits of NoSQL over relational database?

133

Explain the term memtable?

What is cassandra database used for?

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

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

What do you mean by ss table?

Describe Memtable?

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