单项选择题
In an iostat report， which of the following options best describes the value of % iowait？（）
A. The amount of time taken to service an I/O interrupt
B. The percentage of time CPU（s） are waiting for page ins
C. The percentage of time the CPU9（s） are waiting on network
D. The percentage of time the CPU（s） are waiting for outstanding disk I/O requests
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A. iptrace
B. vmstat
C. hostname
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单项选择题
Inaniostatreport，whichofthefollowingoptionsbestdescribesthevalueof%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 -
单项选择题
Whichofthefollowingtoolsshouldbeusedtoreportcurrentnetworkstatusandisoftenusedtocheckthereliabilityofanetwork？（）
A. netpmon
B. netstat
C. nfsstat
D. vmstat
