Which pre-upgrade task should be performed before upgrading from an older dual-core processor
to the lastest quad-core processor module in the same server?

A.
Verify and upgrade the system ROM if needed.

B.
Upgrade the server ILO firmware.

C.
Disable the system multi-core support.

D.
Clear and reset the ILO integrated log.

E.
Upgrade the server operating system patch.