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Why should disk queue length above zero be used to identify bottlenecks?
A. This indicates excessive I/O and a disk bottleneck.
B. This indicates excessive swap file utilization.
C. This indicates insufficient RAM.
D. This indicates a failed disk.
Correct Answer: A
Explanation/Reference:
Reference:http://www.ithacks.com/2008/09/12/high-avg-disk-queue-length-and-finding-the-cause/
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