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
单项选择题 Whichofthefollowingcommandsshouldbeusedtoobservethenumberofsystemcallspersecond?（）
单项选择题 AllofthefollowingtypesofstatisticsarereportedbytheiostatcommandtoolEXCEPT:（）.
单项选择题 To examine the Exhibit, press the Exhibit button. Which option would produce this output from the errpt command? （）
