aaa架構(gòu)中哪個(gè)是要求用戶輸入用戶名和密碼？

Refer to the exhibit.What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown？（）

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?（）

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

QoS Mechanisms：問在部署QoS中要用的3個(gè)mechanisms是什么？

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 the advantage of policing opposite to shaping？

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

four switches， which one will be root switch.（no pic）.

what is the disadvantage of policing？