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For replica sets, mongodump also supports a point in time feature with the ________ option.

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For replica sets, mongodump also supports a point in time feature with the ________ option.

(a) –oplog

(b) –log

(c) –op

(d) None of the mentioned

This question was posed to me in an interview for job.

My question is based upon MongoDB Administration in section GridFS, BSON Datatype and Administration Concepts of MongoDB

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Best answer
The correct choice is (a) –oplog

The explanation is: To restore a point in time backup created with –oplog, use mongorestore with the –oplogReplay option.

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