单项选择题
A. foo ； lsps -s B. tprof -kx ； foo C. iostat ； foo ； iostat D. vmstat -s ； foo ； vmstat s
Asystemadministratorwouldliketoresetstatisticstoinitial...
单项选择题A system administrator would like to reset statistics to initial values prior to collecting device statistics on ent0 interface. Which of the following commands should be run to accomplish this？（）
A. netstat -v ent0 B. chdev -l ent0 -a reset=true C. entstat -r ent0 D. Ethernet interface values cannot be reset
WhichofthefollowingcommandsshouldbeusedtoshowDNSinforma...
单项选择题Which of the following commands should be used to show DNS information？（）
A. trace B. netstat C. ifconfig D. nslookup
Whenmonitoringasystemusingvmstatwithaninterval，themetri...
单项选择题When monitoring a system using vmstat with an interval， the metrics under page po represent which of the following phrases？（）
A. The number pages over the limit B. The pages to paging space per second C. The number of page operations per second D. The number of processes waiting for page out
