With regards to memory related issues, which of the following can cause a bottleneck? (Choose all that apply)

A.
Memory with slow RAM chips.

B.
Memory Pages Input/sec counter reading shows a value of 1 or less.

C.
Memory with faster RAM chips.

D.
Memory Pages Input/sec counter reading shows a value of 3.

Explanation:
A: Memory with slow RAM can cause a bottleneck, not a memory with fast RAM.
B: Suspect a physical RAM bottleneck when the memory Pages Input/sec counter reading shows a value of 1 or less.
Incorrect
Answers:

C: Memory with slow RAM can cause a bottleneck, not a memory with fast RAM.
D: Suspect a physical RAM bottleneck when the memory Pages Input/sec counter reading shows a value of 1 or less.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, p. 340