单项选择题
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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相关考题
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多项选择题
InyourCiscoEIGRPnetwork，younoticethattheneighborrelationshipbetweentwoofyourrouterswasrecentlyrestarted.Whichtwoofthesechoicescouldhavemadethisoccur？（）
A.An update packet with init flag set from a known， already established neighbor relationship was received by one of the routers.
B.The ARP cache was cleared.
C.The counters were cleared.
D.The IP EIGRP neighbor relationship was cleared manually. -
多项选择题
Router1isconfiguredforBGPasdual-homedontheCisconetwork.WhichthreeBGPattributesarecarriedineveryBGPupdateonthisrouter（bothIBGPandEBGP）？（）
A.origin
B.router-ID
C.AS-path
D.local-preference
E.next-hop -
问答题
简述相同的网段的互相访问问题。
