单项选择题
A.a primary route,stored in the routing table
B.a backup route,stored in the routing table
C.a backup route,stored in the topology table
D.a primary route,stored in the topology table
单项选择题 Which command shows your active Telnet connections?（）
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?（）
单项选择题 A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?（）