单项选择题

WhatisthetypicalmarkedDSCPvalueforavoicemediapacketinVoiceoverIPtechnology？（）

A.AF41
B.AF31
C.AF21
D.BE
E.EF

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单项选择题

Refertotheexhibit.Arouterhasa256kbpsFrameRelaycircuitconnectedtointerfaceserial0/0.AsalargeFTPpacketisbeingplacedintothehardwaretransmitqueueofinterfaceserial0/0，avoicepacketisplacedintothepriorityqueueofthatinterface.How，andinwhatorder，withepacketsbetransmitted？（）
A.thevoicepacketwillbetransmittedfirst，followedbytheFTPpacketinitsentirety
B.thevoicepacketwillbetransmittedfirst，followedbythefragmentedFTPpacket
C.theFTPpacketwillbefragmentedandthevoicepacketwillbeinterleaved
D.theFTPpacketwillbetransmittedfirstinitsentirety，followbythevoicepacket

A.Arouterhasa256kbpsFrameRelaycircuitconnectedtointerfaceserial0/0.AsalargeFTPpacketisbeingplacedintothehardwaretransmitqueueofinterfaceserial0/0，avoicepacketisplacedintothepriorityqueueofthatinterface.How，andinwhatorder，withepacketsbetransmitted？（）
A.thevoicepacketwillbetransmittedfirst，followedbytheFTPpacketinitsentirety
B.thevoicepacketwillbetransmittedfirst，followedbythefragmentedFTPpacket
C.theFTPpacketwillbefragmentedandthevoicepacketwillbeinterleaved
D.theFTPpacketwillbetransmittedfirstinitsentirety，followbythevoicepacket

单项选择题

YouenabledCDPontwoCiscoRouterswhichareconnectedtoeachother.TheLineandProtocolstatusfortheinterfacesonbothroutersshowasUPbuttheroutersdonotseeeachotheraCDPneighbors.WhichlayeroftheOSImodeldoestheproblemmostlikelyexist？（）
A.Physical
B.Session
C.Application
D.Data-Link
E.Network

A.TheLineandProtocolstatusfortheinterfacesonbothroutersshowasUPbuttheroutersdonotseeeachotheraCDPneighbors.WhichlayeroftheOSImodeldoestheproblemmostlikelyexist？（）
A.Physical
B.Session
C.Application
D.Data-Link
E.Network