单项选择题
A.hub and spoke B.PE C.CE D.hub E.spoke
A.privilege-level configuration B.fabric cards C.SNMP traps D.admin- level configuration E.exec- level configuration
A.All CE devices emulate a bridge B.All provider devices emulate a bridge C.Hierarchical VPLS reduces signaling overhead D.Each PE device emulates a bridge E.Each CE device emulates a bridge