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A.lowest root bridge id；lowest sender bridge id；lowest port id；lowest root path cost
B.lowest root path cost；lowest root bridge id；lowest sender bridge id；lowest sender port id
C.lowest root bridge id；lowest sender bridge id；lowest root path cost；lowest sender port id
D.lowest root bridge id；lowest root path cost；lowest sender bridge id；lowest sender port id
Refer to the exhibit. In this network，R1 has been configured to advertise a summary route， 192.168.0.0/22，to R2. R2 has been configured to advertise a summary route，192.168.0.0/21， to R1. Both routers have been configured to remove the discard route （the route to null created when a summary route is configured） by setting the administrative distance of the discard route to 255. What will happen if R1 receives a packet destined to 192.168.3.1？ （）
A.The packet will loop between R1 and R2
B.It is not possible to set the administrative distance on a summary to 255
C.The packet will be forwarded to R2，where it will be routed to null0
D.The packet will be dropped by R1，since there is no route to 192.168.3.1
A.learning state
B.listening state
C.forwarding state
D.root-inconsistent state
最新試題
當將多個交換機加入到MST region當中會發(fā)生什么（what happen）？
The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（）
SPT初始狀態(tài)之后的一個狀態(tài)是什么？
When upgrading the IOS image,the network administrator receives the exhibited error message.What could be the cause of this error?（）
What field in IP packet is used for classification by QOS？
Refer to the exhibit.How many broadcast domains exist in theexhibited topology？（）
兩ebgp鄰居發(fā)路由過來 ，哪些屬性重置？
如何實現(xiàn)擁塞避免？
How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）
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?（）