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QoS機(jī)制中的分類，采用ip數(shù)據(jù)包中的哪個(gè)字段？
what is the disadvantage of policing？
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?（）
What is the three main step of using the QoS feature with MQC command line interface？
The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（）
The following configuration line was added to router R1 Access-list 101 permit ip 10.25.30.00.0.0.255 any What is the effect of this access list configuration?（）
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？（）