多项选择题
A. Distance vector protocols send the entire routing table to directly connected neighbors.
B. Distance vector protocols are responsible for sending updates to all networks listed in the routing table.
C. Link state protocols are responsible for sending the entire routing table to the whole network.
D. Link state protocols send updates regarding their own links status to all other routers on the network.
单项选择题 On the assumption that every OSPF router in a particular area is configured with there is no loopback interface set?（）
单项选择题 Under which circumstance, ie network type, would an OSPF router establish a neighbor adjacency, even though the DR/BDR election process was not performed?（）
单项选择题 A routing table contains static, RIP, and IGRP routes destined to the same network with each route set to its default administrative distance. Which route will be the preferred route?（）