单项选择题
Which of these best describes the actions taken when a VTP message is received on a switch configured with the VTP mode "transparent"？ （）
A. VTP updates are ignored and forwarded out all ports.
B. VTP updates are ignored and forwarded out trunks only.
C. VTP updates are made to the VLAN database and are forwarded out trunks only.
D. VTP updates are ignored and are not forwarded.
相关考题
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单项选择题
AbranchrouterisconfiguredwithanegressQoSpolicythatwasdesignedforatotalnumberof10 concurrentVOIPcalls.Duetoexpansion，15VOIPcallsarenowrunningoverthelink，butafterthe14thcallwasestablished，allcallswereaffectedandthevoicequalitywasdramaticallydegraded.Assumingthatthereisenoughbandwidthonthelinkforallofthistraffic，whichpartoftheQoS configurationshouldbeupdatedduetothenewtrafficprofile？（）
A.Increase the shaping rate for the priority queue.
B.Remove the policer applied on the priority queue.
C.Remove the shaper applied on the priority queue.
D.Increase the policing rate for the priority queue. -
单项选择题
WhatisthepurposeoftheSTPPortFastBPDUguardfeature？（）
A.enforce the placement of the root bridge in the network
B.ensure that a port is transitioned to a forwarding state quickly if a BPDU is received
C.enforce the borders of an STP domain
D.ensure that any BPDUs received are forwarded into the STP domain -
多项选择题
Whichtwocommandsarerequiredtoenablemulticastonarouter，knowingthatthereceiversonlysupport IGMPv2？（）
A.ip pim rp-address
B.ip pim ssm
C.ip pim sparse-mode
D.ip pim passive
