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单项选择题

Which of these correctly identifies a difference between the way BPDUs are handled by 802.1w and 802.1D？ （）

A. 802.1D bridges do not relay BPDUs.
B. 802.1w bridges do not relay BPDUs.
C. 802.1D bridges only relay BPDUs received from the root.
D. 802.1w bridges only relay BPDUs received from the root.

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热门试题

单项选择题WhatisthefirstthingthathappenswhenIPv6isenabledonaninterfaceonahost？（）

A.A router solicitation is sent on that interface.
B.There is a duplicate address detection on the host interface.
C.The link local address is assigned on the host interface.
D.A neighbor redirect message is sent on the host interface.

单项选择题WhatactionwillaBGProutereflectortakewhenitreceivesaprefixmarkedwiththecommunityattribute NOADVERTISEfromaclientpeer？（）

A.It will advertise the prefix to all other client peers and non-client peers.
B.It will not advertise the prefix to EBGP peers.
C.It will only advertise the prefix to all other IBGP peers.
D.It will not advertise the prefix to any peers.

单项选择题Refer to the exhibit. Which switching feature is being tested？（）

A. loop guard
B. PortFast
C. root guard
D. BDPU guard

多项选择题WhichtwooptionsdoesCiscoPfRusetocontroltheentrancelinkselectionwithinboundoptimization？（）

A.Prepend extra AS hops to the BGP prefix.
B.Advertise more specific BGP prefixes （longer mask）.
C.Add （prepend） one or more communities to the prefix that is advertised by BGP.
D.Have BGP dampen the prefix.

多项选择题WhichthreecombinationsarevalidLACPconfigurationsthatwillsetupachannel？（）

A.On/On
B.On/Auto
C.Passive/Active
D.Desirable/Auto
E.Active/Active
F.Desirable/Desirable