A.Listening
B.Learning
C.Forwarding
D.Blocking
E.Discarding
F.Disabled
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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
最新試題
How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）
Refer to the exhibit.Which statement describes DLCI 17?（）
DHCP SERVER在給一個(gè)網(wǎng)段設(shè)置POOL時(shí)，該網(wǎng)段路由器接口地址能不能放入POOL，能why，不能why。
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？（）
What is method list for configure aaa？
As a CCNA candidate,you must have a firm understanding of the IPv6 address structure.Refer to IPv6 address,could you tell me how many bits are included in each filed?（）
如何實(shí)現(xiàn)擁塞避免？
一堆交換機(jī)一個(gè)server、一個(gè)transpare，問配置prune在哪里配置？
The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（）