Which events could require a firmware update? (Select two)

A.
downgrading memory

B.
re-installing the operating system

C.
adding support for larger, faster drives

D.
adding virtual machines to a server

E.
removing an existing processor

F.
adding plug and play support

Explanation:
Industry Standard Architecture – Student Guide 2 – Page 177
It may be necessary to upgrade the system BIOS or firmware for one or more of the following
reasons:
To support new hardware or features on the server
To correct bugs discovered in the BIOS
To fix a security hole in the BIOS
To add support for newer or faster processors
To add Plug and Play support
To add support for larger or faster hard drives
To add support for special removable drives, such as LS-120 or ZIP drives