When performing a sar –u command, you notice that %idle is consistently 10 percent. Is this good or bad?
a. good, because the processor should be idle more than 5 percent of the time
b. good, because the processor is idle 90 percent of the time
c. bad, because the processor is idle 10 percent of the time and perhaps a faster CPU is required
d. bad, because the processor is idle 10 percent of the time and perhaps a new hard disk is required
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