Free Cassandra MCQ Questions and Answers — Questions and Answers
Question 1: Cassandra was created by who?
- Microsoft
- Apple
- Facebook (Correct answer)
Correct answer: Facebook
Explanation: <br> Avinash Lakshman and Prashant Malik created Apache Cassandra while both were engineers at Facebook. Thanks to the database, which powers Facebook's inbox search feature, users can quickly discover the conversations and other items they're looking for.
Question 2: When did Cassandra first become available?
- July 2005
- July 2008 (Correct answer)
- July 2007
- July 2006
Correct answer: July 2008
Explanation: <br> Cassandra was first created on Facebook by Prashant Malik and Avinash Lakshman, one of the inventors of Amazon's Dynamo, to support the Facebook inbox search feature. In July 2008, Facebook published Cassandra as an open-source project on Google Code. It was accepted as an Apache Incubator project in March 2009. The project advanced to a top-level project on February 17, 2010. <br> <br> With historical references to a curse on an oracle, Facebook's database was given the name Cassandra by its creators in honour of the Trojan fabled prophet.
Question 3: Which statement regarding Apache Cassandra is accurate?
- Apache Cassandra has wide column store
- Apache Cassandra is a free and open-source (Correct answer)
- All of the above
- Apache Cassandra is a distributed
Correct answer: Apache Cassandra is a free and open-source
Explanation: <br> Apache Cassandra is a free and open-source.
Question 4: Cassandra utilizes _________ by default for cluster communication.
- 7000 (Correct answer)
- 9000
- 3000
- 5000
Correct answer: 7000
Explanation: <br> Cassandra uses port numbers 9042 for native protocol clients, 7000 for cluster communication (or 7001 if SSL is enabled), and 7199 for JMX by default.
Question 5: Which of the subsequent APIs is used by Cassandra's Column Families and Tables?
- Column Family-CQL API ;Table-Thrift API (Correct answer)
- Column Family-CQL API ;Table-CQL API
- Column Family-Thrift API ;Table-Thrift API
- Column Family-Thrift API ;Table-CQL API
Correct answer: Column Family-CQL API ;Table-Thrift API
Explanation: <br> Correct Answer: Column Family-CQL API ;Table-Thrift API.
Question 6: Which of the following cannot be used to set the Durable Writers attribute by the user?
- Network Topology Strategy
- CQLSH
- Replication
- Simple Strategy (Correct answer)
Correct answer: Simple Strategy
Explanation: <br> Correct Answer: Simple Strategy
Question 7: Which one of them houses data storage?
- Bloom filter
- Node (Correct answer)
- SSTable
- Data center
Correct answer: Node
Explanation: <br> Correct Answer: Node
Free Cassandra MCQ Questions and Answers
Cassandra was created by who?