aaa架構(gòu)中哪個(gè)是要求用戶輸入用戶名和密碼？

The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（） 

問一個(gè)怎么樣的屬性，能讓路由不通告給任何的peer？

什么問題導(dǎo)致SERVER VTP密碼跟替他交換機(jī)VTP密碼不匹配？

what is four ospf area type？

How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）

如何實(shí)現(xiàn)擁塞避免？

什么是NAT？

A network administrator is troubleshooting the OSPF configuration of routers R1 and R2.The routers cannot establish an adjacency relationship on their common Ethernet link.The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2.Based on the information in the graphic,what is the cause of this problem?（）

What is method list for configure aaa？