A systems administrator is performing an OS upgrade on a production VM. Which of the following actions should the administrator take before the upgrade to ensure the FASTEST recovery of the system in case the upgrade fails in an unrecoverable way?
A.
Submit the upgrade to the CAB.
B.
Perform a full backup.
C.
Take a snapshot of the system.
D.
Test the upgrade in a preproduction environment.
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Sweety_Certified7
7 months, 1 week ago