WhichtwostatementsaboutWREDaretrue?()

A.WREDcanselectivelydiscardlowerprioritytrafficwhentheinterfacebecomescongestedandcanprovidedifferentiatedperformancecharacteristicsfordifferentclassesofservice. B.ResourceReservationProtocol(RSVP)andWREDcannotbeconfiguredonthesameinterface. C.WREDwillthrottlebackvoicetrafficonlyasalastresort. D.Iftheaveragequeuelengthisgreaterthantheminimumthresholdbutlessthanthemaximumthreshold,thenbasedonthedropprobability,WREDwilleitherqueuethepacketorperformarandomdrop. E.WREDstatisticallydropsmorepacketsfromlow-bandwidthusersthan high-bandwidthusers.Therefore,trafficsourcesthatgeneratetheleasttrafficaremorelikelytobesloweddownthantrafficsourcesthatgeneratethemosttraffic. F.WREDtreatsnon-IPtrafficasprecedence4.

时间:2023-09-07 09:25:53

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