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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…

PowerStore Data Protection and Migration

Question

What is the maximum number of supported replication and snapshot rules in a protection policy?

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)
  • A
    5% (3)
  • B
    7% (4)
  • C
    87% (53)
  • D
    2% (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.

Topics

#protection policy#snapshot rules#replication rules#policy limits

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