单项选择题
A.OSPF B.BGP C.IS-IS D.RIP
A.打开分组 B.通知分组 C.维护分组 D.保活分组
A、Switch # switchport trunk allowed vlan 10 11 B、Switch(config) # switchport trunk allowed vlan 10-11 C、Switch>switchport tnink allowed vlan 10-11 D、Switch(config-if) # switchport trunk allowed vlan 10, 11