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Point out the correct statement.

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Point out the correct statement.

(a) The mechanics of snapshots depend on the underlying storage system

(b) To get a consistent snapshot of a sharded system, you must disable the balancer

(c) If your storage system does not support snapshots, you can copy the files directly using cp, rsync, or a similar tool

(d) All of the mentioned

I have been asked this question in an interview.

I'm obligated to ask this question of Operational Strategies in chapter GridFS, BSON Datatype and Administration Concepts of MongoDB

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The correct option is (d) All of the mentioned

The best explanation: Backups produced by copying the underlying data do not support point in time recovery for replica sets and are difficult to manage for larger sharded clusters.

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