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.How many broadcast domains exist in theexhibited topology？（）

what is the disadvantage of policing？

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？

如何實現(xiàn)擁塞避免？

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

什么是NAT？

QoS機制中的分類，采用ip數(shù)據(jù)包中的哪個字段？

When upgrading the IOS image,the network administrator receives the exhibited error message.What could be the cause of this error?（）