兩ebgp鄰居發(fā)路由過來 ，哪些屬性重置？

hsrp speak狀態(tài)是什么意思？

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?（）

When upgrading the IOS image,the network administrator receives the exhibited error message.What could be the cause of this error?（）

什么是NAT？

Refer to the exhibit.How many broadcast domains exist in theexhibited topology？（）

如何實(shí)現(xiàn)擁塞避免？

問一個(gè)怎么樣的屬性，能讓路由不通告給任何的peer？

Which of the following are key characteristics of PPP?（）

what is the advantage of policing opposite to shaping？