多项选择题
Select the three valid LMI extension.()
A.Multicasting B.Global addressing C.Forward-explicit congestion notification (FECN) D.Virtual circuit status messages. E.Backward-explicit congestion notification (BECN)
多项选择题 WhenprovisioningforInteractive-Video(e,g,videoconferencingtraffic)whichthreestatementsdepictsthecorrectrequirements?()
单项选择题 WhatisthetypicalmarkedDSCPvalueforavoicemediapacketinVoiceoverIPtechnology?()
单项选择题 WhichstatementabouttheLinkControlProtocol(LCP)istrue?()