Which of the following counters used to identify memory bottlenecks, provides an idea of the value of peak paging file usage?

Which of the following counters used to identify memory bottlenecks, provides an idea of the value of peak paging file usage?

A.
Paging File/% Usage.

B.
Available Bytes.

C.
Pages/sec

D.
Paging File/% Usage Peak

Explanation:
The Paging File/% Usage Peak counter provides an idea of the value of peak paging file usage.
Incorrect
Answers:
A: The Paging File/% Usage counter shows the percentage of the maximum page file used. This counter should not have a consistently high value.
B: The Available Bytes counter shows the quantity of RAM available after working sets and cache.
C: The Pages/sec counter shows how many pages are not immediately available in RAM.
Pages in this case pertain to hard disk reads or writes to the hard disk.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 533-534.