Question 25: Which of the following statements are correct?

A.You can write data on any node in Cassandra cluster

B.Any node in the cluster can work as Coordinator

C.You have to define ¼ th of total node as Cassandra Cluster

D.Coordinator is optional in Cassandra

1. A, B

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Correct Answer: 1

Explanation: you can write data to any node in the cluster. Because every node can act as a coordinator. And a coordinator's a very important role for each node and it’s not optional.

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