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__________ operations cannot guarantee that the data files do not change.

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__________ operations cannot guarantee that the data files do not change.

(a) db.lockl()

(b) db.synclock()

(c) db.fsyncUnlock()

(d) secondary

I got this question in unit test.

The origin of the question is Master Slave Replication topic in division Replication Concepts, Processes and Replication Set of MongoDB

1 Answer

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The correct choice is (c) db.fsyncUnlock()

To elaborate: As a result, do not use these methods to ensure consistency for the purposes of creating backups.

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