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A __________ determines which data centers and racks nodes belong to it.

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A __________ determines which data centers and racks nodes belong to it.

(a) Client requests

(b) Snitch

(c) Partitioner

(d) None of the mentioned

The question was posed to me in exam.

My question comes from Introduction to Cassandra in chapter ZooKeeper, Sqoop and Cassandra of Hadoop

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Right option is (b) Snitch

The best I can explain: Client read or write requests can be sent to any node in the cluster because all nodes in Cassandra are peers.

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