what is four ospf area type？

QoS機制中的分類，采用ip數(shù)據(jù)包中的哪個字段？

hsrp speak狀態(tài)是什么意思？

Local Preference？

R1 will choose which path to reach 10.1.0.0？

兩ebgp鄰居發(fā)路由過來 ，哪些屬性重置？

一堆交換機一個server、一個transpare，問配置prune在哪里配置？

A default Frame Relay WAN is classified as what type of physical network?（）

Refer to the exhibit.The network administrator is in acampus building distant from Building B.WANRouter is hosting a newly installed WAN link on interface S0/0.The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface.How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner?（）

What is the next state of initial in spanning-tree protocol？