D-PST-DY-23 · Question #61
What is the maximum number of supported replication and snapshot rules in a protection policy?
The correct answer is C. Four snapshot rules and one replication rule. A protection policy supports up to four snapshot rules but only one replication rule, making C the correct answer. This asymmetry exists because snapshots are local, lightweight operations that benefit from granularity (e.g., hourly, daily, weekly, monthly schedules), while…
Question
Options
- AOne snapshot rule and four replication rules
- BOne snapshot rule and one replication rule
- CFour snapshot rules and one replication rule
- DFour snapshot rules and four replication rules
How the community answered
(61 responses)- A5% (3)
- B7% (4)
- C87% (53)
- D2% (1)
Explanation
A protection policy supports up to four snapshot rules but only one replication rule, making C the correct answer. This asymmetry exists because snapshots are local, lightweight operations that benefit from granularity (e.g., hourly, daily, weekly, monthly schedules), while replication is a heavier, remote operation where a single rule per policy is sufficient to avoid conflicts and complexity.
- A inverts the limits - you get one snapshot, not one replication.
- B under-counts snapshots; one-and-one is too restrictive.
- D over-counts replication; four replication rules per policy is not supported.
Memory tip: Think "4 Snaps, 1 Rep" - snapshots are plural and flexible (4), replication is singular and serious (1). The "S" in Snapshot = Several, the "R" in Replication = Restricted.
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