You are the administrator for the Certkiller servers and your newly appointed

trainee wants to know from you how the servers firmware should be updated if you purchased components from various manufacturers?

A.
BIOS

B.
LAN

C.
WAN

D.
On a Component by component basis

Explanation:
The server with different manufacturer components must be upgraded on a component by component basis and each component has the specific hardware documentation for specific instructions on how to obtain them and where.
Incorrect Answers:
A: The BIOS cannot be used as a console for updating the servers firmware.
B: The LAN may have some files but is highly unlikely as the question mentions no LAN.
C: The WAN may have the files but is a highly probability the specific hardware documentation for specific instructions on how to obtain them.
Reference:
Server+ Exam Cram 2 (Exam SK0-002), Charles J. Brooks, Que, November 2005, pg 295.