多项选择题
A.Filtering can occur based on Layer 3 information.
B.Broadcasts are eliminated.
C.Routers generally cost less than switches.
D.Broadcasts are not forwarded across the router.
E.Adding a router to the network decreases latency.
单项选择题 Anadministratorissuesthecommandping127.0.0.1fromthecommandlinepromptonaPC.Ifareplyisreceived,whatdoesthisconfirm?()
单项选择题 WhatisthefunctionoftheCiscoIOScommandipnatinsidesourcestatic10.1.1.5172.35.16.5?()
多项选择题 WhatcananetworkadministratorutilizebyusingPPPLayer2encapsulation?(Choosethree.)()