What is needed to let a successful server network run smoothly?

A.
A high speed networks cable.

B.
128 MB of RAM.

C.
256 MB of RAM.

D.
Operating speed of 500 MHz.

Explanation:
A successful server network is equipped with workstations or servers using processors that operate at speeds of 500 MHz or better. The server boards should be loaded with enough high-speed RAM as the budget permits.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 227-240.