多项选择题
A.IPFilterPolicy B.MACFilterPolicy C.IngressQoSPolicy D.EgressQoSPolicy
A.OAMvprn-ping B.oamvprn-trace C.oammac-ping D.oammac-trace
A.对客户来说,所有接点都连接到一个交换VLAN上 B.基于IP/MPLS网络 C.单个桥接域内连接多个站点 D.不执行任何MAC地址学习