Which of the following statements relates to a processor bottleneck?

A.
When the processor is already running at maximum capacity and only system services are running

B.
When the network interface is continuously being saturated.

C.
When there is an excessive quantity of data being moved from RAM to a paging file on the hard disk.

D.
When there is a mechanical defect or configuration error in hard disk operations.

Explanation:
When the processor is already running at maximum capacity and only system services are running, you have a processor bottleneck.
Incorrect
Answers:
B: When the network interface is continuously being saturated, you have a network interface bottleneck.
C: When excessive quantities of data are being moved from RAM to a paging file on the hard disk, you have a memory bottleneck.
D: A disk subsystem bottleneck is caused by a mechanical defect or a configuration error in hard disk operations.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 528-530.