单项选择题
A. FE08::280e:611:a:f14f:3d69
B. FE81::280f:512b:e14f:3d69
C. FE80::380e:611a:e14f:3d69
D. FEFE:0345:5f1b::e14d:3d69
单项选择题 If an Ethernet port on a router was assigned an IP address of 172.1.1.1/20,what is the maximum number of hosts allowed on this subnet?（）
单项选择题 Which IPV6 routing protocol uses multicast group FF02::9 to send updates?（）
单项选择题 What is the default maximum number of equal-cost paths that can be placed into the routing of a cisco OSPF router?（）