单项选择题
Routers A and B are connected with a point-to-point OC-3 interface. Each router's OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area.
How many IS-IS adjacencies exist between the two routers?（）
A.0
B.1
C.2
D.3
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相关考题
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单项选择题
Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）
A. An Adjacency is formed.
B. No IS-IS PDUs are sent
C. An Adjacency does not form.
D. An Adjacency forms but traffic is not forwarded. -
单项选择题
Two Level 2 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）
A. An Adjacency is formed.
B. No IS-IS PDUs are sent.
C. An Adjacency does not form.
D. An Adjacency forms but traffic is not forwarded. -
单项选择题
What is the maximum number of NET addresses supported on a virtual router?（）
A. 0
B. 1
C. 2
D. 3
