单项选择题
Which CLI command is used to display BGP-learned routes that are now in the OSPF link-state database?（）
A.A B.B C.C D.D
if all OSPF routers on a broadcast network have the sam...
if all OSPF routers on a broadcast network have the same OSPF priority, which parameter is used to determine the new BDR at the time of a DR failure?（）
Given the set of routers, each with an interface on the...
Given the set of routers, each with an interface on the same multi-access network: Which router can never be a designated router on that multi-access network?（）
A.RouterA B.RouterB C.RouterC D.RouterD
You are running OSPF between two ERX Edge Routers acros...
You are running OSPF between two ERX Edge Routers across an OC-12c link with HDLC encapsulation. How many designated routers are present for this link?（）
A.0 B.1 C.2 D.3
