單項(xiàng)選擇題

Refer to the exhibit. Routers A and B are directly connected and running OSPF， but they are unable to form a neighbor relationship. What is the most likely cause？（）

A. The routers are not on the same network.
B. The network statements do not match.
C. The process number does not match.
D. The MTU does not match.
E. The OSPF cost does not match.
F. There is a physical issue with the cable.


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1.單項(xiàng)選擇題

Refer to the exhibit. Routers A and B are directly connected and running EIGRP， but they are unable to form a neighbor relationship. What is the most likely cause？ （）

A. The network statements are misconfigured.
B. The IP address statements are misconfigured.
C. The autonomous system is misconfigured.
D. There is a physical issue with the cable.

3.單項(xiàng)選擇題Which OSPF LSA type does an ASBR use to originate a default route into an area？ （）

A. LSA 1
B. LSA 3
C. LSA 4
D. LSA 5
E. LSA 7

4.單項(xiàng)選擇題Which one of these statements is true of OSPF type 5 LSAs？ （）

A. They are used to summarize area routes to other areas.
B. They are used in not-so-stubby areas to propagate external routes.
C. They are used to notify areas of the ASBR.
D. They are flooded to all areas except stub areas （external route）.