多项选择题
In the Carrier Supporting Carrier (CsC) feature, which two protocols run between CSC-PE and CSC-CE().
A.IGP and RSVP B.EBGPv4 with a sending community C.IGP and EBGPv4 D.IGP and LDP E.EBGPv4 with a sending label
单项选择题 WhenanMPLSLayer2VPNrunsinthehub-and-spokemodel,whereisQoSimplemented?()
多项选择题 Allsecuredomainrouters(SDRs)havesharedattributeandresources.WhichthreeresourcesaresharedallSDRs?()
单项选择题 WhichstatementaboutVPLSistrue?()