When using the Host Update Utility to upgrade an ESXi 4.x host, first (Choose Three):
A.
download the ESXi4.x .zip file and save it to the vCenter Server
B.
run the VMware CPU Identification Utility
C.
download the ESXi4.x .zip file and save it to the Windows computer running the Host Update
Utility
D.
run the vSphere 4 Pre-Upgrade Script from the command line
E.
use the vSphere Client to place the host into maintenance mode