单项选择题
Which statement is true about the frequency of OSPF LSA transmissions?（）
A.A B.B C.C D.D
By default, how often does an ERX Edge Router send an O...
By default, how often does an ERX Edge Router send an OSPF link-state advertisement in a stable network?（）
Which OSPF parameter controls the amount of time it tak...
Which OSPF parameter controls the amount of time it takes to determine if a neighbor has failed?（）
Which OSPF router will advertise a Type 2 network LSA f...
Which OSPF router will advertise a Type 2 network LSA for a broadcast network segment?（）
