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Delayed members apply operations from the _______ on a delay.

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Delayed members apply operations from the _______ on a delay.

(a) oplog

(b) log

(c) mlog

(d) none of the mentioned

I had been asked this question at a job interview.

My query is from Master Slave Replication in section Replication Concepts, Processes and Replication Set of MongoDB

1 Answer

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Best answer
The correct answer is (a) oplog

Explanation: Always prevent applications from seeing and querying delayed members.

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