试题详情
- 单项选择题 Refer to the exhibit. OSPF is configured on all routers in the network. On the basis of the show ip ospf n eighbor output, what prevents R1 from establishing a full adjacency with R2? （）
A、Router R1 will only establish full adjacency with the DR and BDR on broadcast multi- access networks.
B、Router R2 has been elected as a DR for the broadcast multiaccess network in OSPF area 1.
C、Routers R1 and R2 are configured as stub routers for OSPF area 1 and OSPF area 2.
D、Router R1 and R2 are configured for a virtual link between OSPF area 1 and OSPF area 2.
E、The Hello parameters on routers R1 and R2 do not m atch.
- A
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