单项选择题
Which of the following commands indicates the packet count for each interface？（）
A.lsattr B.route C.netstat D.ifconfig
单项选择题 Whichofthefollowingcommandsshouldbeusedtoverifytheintegrityofadevicedriverfileset？（）
单项选择题 WhenanICMPredirectisreceived，whichofthefollowingoptionsisthemostappropriatetoconclude？（）
单项选择题 WhichofthefollowingoptionsindicatesthenumberofadaptersthatmaybebandedtogethertoformanEtherChannel？（）
