单项选择题
A.trace B.where C.status D.which
WhichofthefollowingoutputswillbestindicateifasystemisCP...
单项选择题Which of the following outputs will best indicate if a system is CPU bound?（）
A. %idle < 10% B. %usr + %sys > 80% C. %sys + %wio > 80% D. %wio + %idle > 80%
Whichofthefollowingcommandsshouldbeusedtocheckwhetheras...
单项选择题Which of the following commands should be used to check whether a system dump is valid and readable?（）
A. kdb B. snap -d C. dbx -vmcore D. od /dev/sysdumpdev
Ifasystemadministratorwantstoshowonlyadiskreportfordisk...
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
