The OSPF Hello protocol performs which of the following tasks?

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问题 The OSPF Hello protocol performs which of the following tasks?

选项 A、It provides dynamic neighbor discovery．
B、It detects unreachable neighbors in 90 second intervals．
C、It maintains neighbor relationships．
D、It negotiates correctness parameters between neighboring interfaces．
E、It uses timers to elect the router with the fastest links as the designated router．

答案A,C

解析 OSPF的Hello包的作用是发现并维持邻居关系。

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The OSPF Hello protocol performs which of the following tasks?

思科640802

思科认证

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