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________ is a string that holds the address of the client, a mongos instance that initiates this change.

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________ is a string that holds the address of the client, a mongos instance that initiates this change.

(a) config.changelog.serverAddr

(b) config.changelog.clientAddr

(c) config.changelog.time

(d) all of the mentioned

This question was posed to me in an online quiz.

Query is from Cluster Deployment topic in section Sharding Concepts, Mechanics and Sharded Cluster of MongoDB

1 Answer

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The correct option is (b) config.changelog.clientAddr

Easy explanation: config.changelog.time is ISODate timestamp that reflects when the change occurred.

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