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____________ is a client or database-generated identifier that uniquely identifies this message.

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____________ is a client or database-generated identifier that uniquely identifies this message.

(a) messageLength

(b) responseTo

(c) requestID

(d) all of the mentioned

The question was posed to me in an interview.

This key question is from Read Operations in section MongoDB CRUD Concepts and Operation of MongoDB

1 Answer

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Best answer
Right choice is (c) requestID

Explanation: For the case of client-generated messages, it will be returned in the responseTo field of the OP_REPLY message.

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