Cassandra Questions and Answers

11. Cassendra is a?

A. Centralised database
B. End-user database
C. NoSQL database
D. Relational database

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12. Programming language used in cassendra?

A. C
B. Java
C. C++
D. .Net

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13. Which of the following are Features of Cassandra?

A. Elastic scalability
B. Flexible data storage
C. Easy data distribution
D. All of the above

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14. Cassandra uses the ________ in the background to allow the nodes to communicate with each other and detect any faulty nodes in the cluster.

A. Gossip Protocol
B. Commit Protocol
C. Mem Protocol
D. Talk Protocol

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15. Which of them is a memory-resident data structure?

A. Data center
B. SSTable
C. Mem-table
D. Bloom filter

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16. ____________ is the outermost container for data in Cassandra.

A. replication
B. Keyspace
C. network
D. topology

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17. Which of the following is a unit of replication in Cassandra?

A. Row
B. Column
C. Both A and B
D. None of the above

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18. Cassandra deals with structured data.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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19. Which of the following is the command to run the queries in CQLSH.

A. execute query()
B. run()
C. execute()
D. run query()

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20. CRUD stands for ____.

A. Create Read Update Delete
B. Change Return Upload Download
C. Both A and B
D. Create Read Update Drop

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