SPT初始狀態(tài)之后的一個狀態(tài)是什么？

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

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

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

What is method list for configure aaa？

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 field in IP packet is used for classification by QOS？

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？（）

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?（）

什么是NAT？