A.  The amount of oplog to keep per backup is configurable and affects the time window available for checkpoint and point-in-time restores

B.  To get a consistent snapshot of a sharded system, you must enable the balancer

C.  Backups produced by copying the underlying data do support point in time recovery

D.  All of the mentioned

1
Correct Answer :
The amount of oplog to keep per backup is configurable and affects the time window available for checkpoint and point-in-time restores
Explanation :
No Explanation available for this question

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