多项选择题
A.It supports VLSM.
B.It is used to route between autonomous systems.
C.It confines network instability to one area of the network.
D.It increases routing overhead on the network.
E.It allows extensive control of routing updates.
F.It is simpler to configure than RIP v2.
多项选择题 Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true (Choose two.)（）。
单项选择题 Which IPV6 routing protocol uses multicast group FF02::8 to send updates?（）
多项选择题 What information does a router running a link-state protocol use to build and maintain its topological database?（）