When upgrading an existing operating system to a new version, there is a definite order you should follow to install new components. Which of the following should be installed first?

A.
The NOS release.

B.
The original equipment manufacturer (OEM) patches.

C.
The original equipment manufacturer (OEM) service packs.

D.
The best device driver options.

Explanation:
The order for upgrading an existing operating system to a new version is as follows: 1 – install the NOS release, 2 – install the OEM patches and service packs, and 3 – install the best device driver options.
Incorrect
Answers:
B, C: The OEM patches and service packs should be installed after the NOS release has been installed.
D: The best device driver options should be installed last.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 308-309.