单项选择题
A.20% B.40% C.60% D.80%
Whichcommandrecordsthepathtakenbynetworkpacketsbetweena...
单项选择题Which command records the path taken by network packets between a source and destination system? （）
A. traceroute B. netstat -p C. ping D. netstat -rn
Whichofthefollowingcommandsshouldbeusedtoobservethenumb...
单项选择题Which of the following commands should be used to observe the number of system calls per second? （）
A. sar B. iostat C. svmon D. vmstat
Allofthefollowingtypesofstatisticsarereportedbytheiosta...
单项选择题All of the following types of statistics are reported by the iostat command tool EXCEPT:（）.
A. Free memory B. CPU statistics C. Disk statistics D. Terminal statistics
