单项选择题
Which daemon is required to be running for Primary Domain Name Servers？（）
A.gated B.routed C.iptrace D.named
单项选择题 Whichofthefollowingcommandsindicatestheavailablestateofaphysicaladapter？（）
单项选择题 Whichofthefollowingcommandsindicatesthepacketcountforeachinterface？（）
单项选择题 Whichofthefollowingcommandsshouldbeusedtoverifytheintegrityofadevicedriverfileset？（）
