Rise in percentage of disk time indicates
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I/O bottleneck
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Memory bottleneck
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Disk bottleneck
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Network bottleneck
C
Correct answer
Explanation
A rise in percentage of disk time indicates a disk bottleneck (I/O bottleneck). This metric shows how much time the disk is busy handling read/write requests. High disk time percentage means the disk subsystem is saturated and cannot keep up with I/O demands, causing processes to wait.