Which condition would prevent a VNX SnapSure baseline snapshot from being refreshed?

A.
When the baseline snapshot refresh is not supported.

B.
When an existing, writeable snapshot is present

C.
When the baseline snapshot has not been unmounted first.

D.
When the SavVol cannot be auto-extended.

Explanation:
Any writeable snapshot must be deleted before the baseline is deleted. Writeable snapshots and their
baselines cannot be refreshed or be part of a snapshot schedule.