什么問題導致SERVER VTP密碼跟替他交換機VTP密碼不匹配？

What field in IP packet is used for classification by QOS？

Refer to the exhibit.Which statement describes DLCI 17?（）

SPT初始狀態(tài)之后的一個狀態(tài)是什么？

如何實現(xiàn)擁塞避免？

QoS機制中的分類，采用ip數(shù)據(jù)包中的哪個字段？

問一個怎么樣的屬性，能讓路由不通告給任何的peer？

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

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?（）

當將多個交換機加入到MST region當中會發(fā)生什么（what happen）？