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QoS機制中的分類，采用ip數(shù)據(jù)包中的哪個字段？
The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（）
當將多個交換機加入到MST region當中會發(fā)生什么（what happen）？
How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）
兩ebgp鄰居發(fā)路由過來 ，哪些屬性重置？
what is four ospf area type？
what is the advantage of policing opposite to shaping？
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?（）
What field in IP packet is used for classification by QOS？
Refer to the exhibit.Which statement describes DLCI 17?（）