多项选择题
A. The exchange of an advertisement is triggered by a change in the network.
B. All routers exchange routing tables with each other in a multipoint network.
C. Packets are routed based upon the shortest path to the destination.
D. Paths are chosen depending on the cost efficiency factor.
E. Every router in an OSPF area is capable of representing the entire network topology.
F. Only the designated router in an OSPF area can represent the entire network topology.
多项选择题 Which of the following routing protocols are less likely prone to problems in non contiguous networks?（）
多项选择题 Which of the following technologies can be used in distance vector routing protocols to prevent routing loops?（）
多项选择题 Non-contiguous networks can pose a problem for network reachability in certain circumstances. Which of the following routing protocols have means of minimizing the risk?（）