问答题

WhichstatementsdescribetwoofthebenefitsofVLANTrunkingProtocol？（）

A.VTPallowsroutingbetweenVLANs.
B.VTPallowsasingleswitchporttocarryinformationtomorethanoneVLAN.
C.VTPallowsphysicallyredundantlinkswhilepreventingswitchingloops.
D.VTPsimplifiesswitchadministrationbyallowingswitchestoautomaticallyshareVLAN
E.
F.VTPhelpstolimitconfigurationerrorsbykeepingVLANnamingconsistentacrosstheVTPdomain.
G.VTPenhancessecuritybypreventingunauthorizedhostsfromconnectingtotheVTPdomain.

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问答题

WhatarethreevalidreasonstoassignportstoVLANsonaswitch？（）

A.tomakeVTPeasiertoimplement
B.toisolatebroadcasttraffic
C.toincreasethesizeofthecollisiondomain
D.toallowmoredevicestoconnecttothenetwork
E.tologicallygrouphostsaccordingtofunction
F.toincreasenetworksecurity

问答题

Whichtwosubnetworkswouldbeincludedinthesummarizedaddressof172.31.80.0／20？（）

A.172.31.17.4/30
B.172.31.51.16/30
C.172.31.64.0/18
D.172.31.80.0/22
E.172.31.92.0/22
F.172.31.192.0/18