A vSphere administrator is asked to evaluate the risk of upgrading vCenter Server. Which approach BEST reduces upgrade risk in a production environment?
-
A
Performing the upgrade during peak business hours to maximize monitoring coverage
-
B
Taking a vCenter VCSA file-based backup and snapshotting dependent VMs before upgrading
-
C
Disabling vSphere HA temporarily to free resources for the upgrade process
-
D
Upgrading ESXi hosts before vCenter to maintain forward compatibility