After upgrading an ESX host to vSphere 4, which of the following three actions should be taken
(Choose Three)
A. restore files to the service console
B. boot into Troubleshooting Mode for proper operation
C. configure licensing
D. verify virtual machine operation
E. connect the host to vCenter if managed
Answer: CDE
Before you upgrade an ESX host:
A. back up /proc, /mnt, /tmp, custom scripts and all VMFS datastores
B. back up /home, /etc/init.d and /boot
C. back up /etc/passwd, /etc/groups, /etc/shadow, /etc/gshadow, custom scripts and local VMFS
D. back up /var/logs, /usr, /bin and the dmesg output
Answer: C
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