单项选择题
A.1 or 3
B.2 or more of differing models
C.2 or 4 of the same model
D.2 or more of the same model
单项选择题 AnAIXserverhas2networkinterfacesanditneedstobepermanentlyconfiguredasagateway.Howcanthisbeaccomplished？（）
单项选择题 Whichofthefollowingcommandsshouldbeusedtomakepermanentstaticrouteentriesthatwillpersistacrossreboots？（）
单项选择题 Whichofthefollowingparameterscanpreventpacketfragmentationonrouterswhenconnectingtoremotenetworks？（）