单项选择题

Inaniostatreport，whichofthefollowingoptionsbestdescribe……

In an iostat report， which of the following options best describes the value of % idle？（）

A. A representation of the equation （tps/kbps）*100
B. The percentage of time the disks are idle with no activity
C. The percentage of time the disks are idle with no outstanding CPU requests
D. The percentage of time the CPU is idle with no outstanding disk I/O requests

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