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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热门 试题

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

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