单项选择题
An access list was written with the four statements shown in the graphic.Which single access list statement will combine all four of these statements into a single statement that will have exactly the same effect？（）
A.access-list10 permit 172.29.16.00.0.0.255 B.access-list10 permit 172.29.16.00.0.1.255 C.access-list10 permit 172.29.16.00.0.3.255 D.access-list10 permit 172.29.16.00.0.15.255 E.access-list10 permit 172.29.0.00.0.255.255
多项选择题 What are three features of the IPV6 protocol?（）
多项选择题 哪两个值被生成树协议用来选举根桥？（）
单项选择题 Which of these represents an IPv6 link-local address?（）
