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The _______ collection keeps track of the active components in the sharded cluster.

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The _______ collection keeps track of the active components in the sharded cluster.

(a) deploys

(b) lockpings

(c) locks

(d) all of the mentioned

The question was posed to me in an online interview.

The query is from Cluster Deployment in chapter Sharding Concepts, Mechanics and Sharded Cluster of MongoDB

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Best answer
Correct option is (b) lockpings

Best explanation: The locks collection stores a distributed lock.

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