单项选择题
A. renice -n -20 {PID} B. renice -n 20 {PID} C. renice -n -40 {PID} D. renice -n 40 {PID}
Thenfsstat-ccommandshowszerobadxid，butretransandtimeout...
单项选择题The nfsstat -c command shows zero badxid， but retrans and timeouts are sizeable， what is the most probable cause of the problem？（）
A. Too many nfsd’s running B. Client and server with different buffer sizes C. Bridges， routers or gateways are receiving too many fragmentated packets D. Too few nfsd’s running
Asystemhasusersdoinginteractiveworkwhilebackgroundjobsa...
单项选择题A system has users doing interactive work while background jobs are running. Interactive users are requesting that system response time be improved for foreground processes. Which tuning parameters should be changed to accomplish this？（）
A. schedtune -h B. schedtune -r C. vmtune -f D. schedtune -w
Whichofthefollowingtoolsisusedtoreportthelocationoflogi...
单项选择题Which of the following tools is used to report the location of logical partitions of a file system on a physical volume？（）
A. lsfs B. iostat C. lslv -p D. lsvg -p
