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A customer complains about server performance. Performance parameters show the following:
Network Segment: % Network Utilization – 55%
Page/Sec – 3
% Processor Time – 65%
% Disk Time – 75%
A. disk
B. memory
C. network
D. processor
Correct Answer: A
Explanation/Reference:
Industry Standard Architecture – Student Guide 2 – Page 246
Evaluating the storage subsystem
Two useful counters in the PhysicalDisk category of performance objects are:
% Disk Time —Displays the percentage of elapsed time that the selected disk drive is busy servicing read or write requests. If Disk time is higher than 60%, a bottleneck condition is developing.
Avg. Disk Queue Length —Displays the average number of read and write requests that were queued for the selected disk during the sample interval.
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