单项选择题
If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?()
A. iostat disk1 1 B. iostat -d disk1 2 C. iostat disk2 1 D. iostat -d disk2 2
单项选择题 Whichiostat%iowaitminimumthresholdindicatesapossibleI/Obottleneck?()
单项选择题 Whichcommandrecordsthepathtakenbynetworkpacketsbetweenasourceanddestinationsystem?()
单项选择题 Whichofthefollowingcommandsshouldbeusedtoobservethenumberofsystemcallspersecond?()