Which of the following correctly describes when you should perform an upgrade of the server’s BIOS?

A.
Annually.

B.
When you install new server software.

C.
When you perform a processor upgrade.

D.
None of the above

Explanation:
The most practical time to perform an upgrade of the server’s BIOS is when you perform a processor upgrade. You should strongly consider a BIOS upgrade when you add new, faster processors.
References:

Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 380-381.