单项选择题
In which Cisco IOS configuration mode is the route distinguisher (RD) configured?()
A.R1(config-route-at)# B.R1(config-route-map)# C.R1(config-it)# D.R1(config-vrf)# E.R1(config)# F.R1(router)#
多项选择题 WhichtwostatementsaboutMPLSpoint-to-multipointtrafficengineering(P2MPTE)aretrue?()
单项选择题 WhichstatementaboutATMAAL5overMPLSistrue?()
单项选择题 IntheCiscoResilientEthernetProtocol(REP),howmanyportsarealwaysblocking?()