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
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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
A.Designated Root Cost
B.bridge ID priority
C.max age
D.bridge ID MAC address
E.Designated Root Priority
F.forward delay
A.VTP updates are ignored and forwarded out all ports
B.VTP updates are ignored and forwarded out trunks only
C.VTP updates are made to the VLAN database and are forwarded out trunks only
D.VTP updates are ignored and are not forwarded
A.8192
B.16384
C.49152
D.65535
A.enforce the placement of the root bridge in the network
B.ensure that a port is transitioned to a forwarding state quickly if a BPDU is received
C.enforce the borders of an STP domain
D.ensure that any BPDUs received are forwarded into the STP domain
A.learning state
B.listening state
C.forwarding state
D.root-inconsistent state
最新試題
QoS Mechanisms：?jiǎn)栐诓渴餛oS中要用的3個(gè)mechanisms是什么？
Which of the following describes the roles of devices in a WAN?（）
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?（）
A default Frame Relay WAN is classified as what type of physical network?（）
Refer to the exhibit.Which statement describes DLCI 17?（）
什么問題導(dǎo)致SERVER VTP密碼跟替他交換機(jī)VTP密碼不匹配？
QoS機(jī)制中的分類，采用ip數(shù)據(jù)包中的哪個(gè)字段？
當(dāng)將多個(gè)交換機(jī)加入到MST region當(dāng)中會(huì)發(fā)生什么（what happen）？
Local Preference？
The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（）