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

Apache Cassandra Interview Questions

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Mention some important components of cassandra data models?

What is the role of alter keyspace?

What is hadoop, hbase, hive and cassandra? Specify similarities and differences among them.

122

Explain cassandra.

Where cassandra stores its data?

What do you mean by cassandra-cqlsh?

What are roles in cqlsh?

what is gossip protocol?

What are snapshots and how do you create one in cassandra?

What is the use of coordinator node in read?

Explain the different logging levels in cassandra.

What are clusters in cassandra?

What is network topology strategy?

How is a keyspace created in cassandra? & What are the parameters used?

What is graph db?

Un-Answered Questions { Apache Cassandra }

Difference between cassandra and mongodb?

Explain the terms memtable, commitlog and sstables.

What is the difference between Cassandra and Hadoop ?

Explain the term sstables?

What is tunable consistency in Cassandra?

Give key features of any NoSQL database?

101

Tunable consistency is supported by Cassandra. Explain.

What is the purpose of JConsole?

Cassandra is written in which language?

Name some features of Apache Cassandra?

Are Cassandra, Hadoop, Hbase and Cassandra are the same in nature? Specify.

How can a user create a Keyspace in Cassandra?

What is the design architecture of Cassandra?

Why is jconsole used?

What is column store db?

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