问答题

WhichthreearecharacteristicsofvoicetrafficintheCompanyVOIPcampusnetwork？（）

A.TCPretransmits
B.UDPpriority
C.Bursty
D.Delaysensitive
E.Greedy
F.Dropsensitive

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WhichthreeQoSmechanismscanbeconfiguredtoimproveVoIPqualityonaconvergednetwork？（）

A.TheuseofaqueuingmethodthatwillgiveVoIPtrafficstrictpriorityoverothertraffic
B.TheuseofRTPheadercompressionfortheVoIPtraffic.
C.Theproperclassificationandmarkingofthetrafficasclosetothesourceaspossible
D.Theuseof802.1QinQtrunkingforVoIPtraffic
E.TheuseofWREDfortheVoIPtraffic

Anewlightweightaccesspoint（LAP）hasbeeninstalledintheCompanyWLAN.WhichtwostatementscorrectlydescribetheassociationprocessbetweenthisLAPandaWLANcontroller？（）

A.AnaccesspointwillsearchforacontrollerusingabroadcastaddressifusingLWAPPLayer2andaunicastaddressifusingLWAPPLayer3mode.
B.Ifmultiplewirelesscontrollersaredetectedbyanaccesspoint，thecontrollerwiththefewestassociatedaccesspointsischosentoassociatewith.
C.InordertoassociateinLayer3mode，theaccesspointmusthavebeenpreconfiguredwithanIPaddress.
D.OnceanaccesspointassociateswithacontrollerinLWAPPLayer3mode，itreceivesanIPaddressfromthecontroller.
E.AnaccesspointfirstsearchesforacontrollerinLWAPPLayer2mode.Ifthesearchisnotsuccessful，theaccesspointthenattemptstolocateacontrollerinLWAPPLayer3mode.
F.Ifmultiplewirelesscontrollersaredetectedbyanaccesspoint，allofthemwillbeusedandtrafficwillbeloadbalanced.