单项选择题
Which iostat %iowait minimum threshold indicates a possible I/O bottleneck?（）
A.20%
B.40%
C.60%
D.80%
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相关考题
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单项选择题
Whichcommandrecordsthepathtakenbynetworkpacketsbetweenasourceanddestinationsystem?（）
A. traceroute
B. netstat -p
C. ping
D. netstat -rn -
单项选择题
Whichofthefollowingcommandsshouldbeusedtoobservethenumberofsystemcallspersecond?（）
A. sar
B. iostat
C. svmon
D. vmstat -
单项选择题
AllofthefollowingtypesofstatisticsarereportedbytheiostatcommandtoolEXCEPT:（）.
A. Free memory
B. CPU statistics
C. Disk statistics
D. Terminal statistics
