单项选择题
Which command enables IPv6 forwarding on a cisco router?（）
A.ipv6 host B.ipv6 unicast-routing C.ipv6 local D.ipv6 neighbor
多项选择题 What are three features of the IPV6 protocol?（）
多项选择题 A network administrator needs to configure port security on a switch.which two statements are true? （）
多项选择题 Which two are advantages of static routing when compared to dynamic routing?（）
