参考答案和解析
正确答案：
Neighbor：
A neighbor is another OSPF router that is attached to the local router’s directly connected links， and ospf hello packet sended by the router have consistance parameter （such as hello time，dead time，area ID， mask and so on） with each other.
Adjacency：
An OSPF adjacency is a conceptual link to a neighbor over which LSAs can be sent.
解析：
暂无解析
