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Refer to the exhibit. Look at the command output. What would be the most probable reason for this port-ID mismatch？（）
A.spanning-tree misconfiguration
B.speed mismatch configuration
C.cabling problem
D.configuration problem
Refer to the exhibit. According to the output of the command show tag-switching forwarding-table， which four of these statements are true？（）
A.Packets to the IP address 10.10.10.5/32 will be tagged with "17" toward the next hop.
B.Label "19" will be advertised to MPLS neighbors so that they can use this label to reach the IP address 10.10.10.6/32.
C.IP address 10.10.10.4/32 is directly connected to the neighbor router on serial 3/0.
D.Packets arriving with label "17" will be forwarded without any label toward serial 4/0.
E.Packets arriving with label "20" will be forwarded with label "21" after label-swapping.
F.Label "20" is advertised to MPLS neighbors so that they can use this information to reach the prefix 10.10.10.8/32.
A.Incorrect VTP domain
B.Incorrect VTP password
C.Incorrect VTP mode
D.Incorrect VTP configuration revision
A.Clear the MAC address table in the switch.
B.Clear the ARP cache in the switch.
C.Clear the ARP cache in the end devices.
D.Clear the ARP cache in the application servers.
Refer to the exhibit. BGP-4 routing to the Internet，in normal behavior，may create asymmetrical routing for different prefixes. The BGP routing table indicates that traffic should follow the paths indicated in the exhibit，but packets are not going further than the border router in AS 4. What could be the cause of this problem？（）
A.TCP Intercept is configured in AS 4.
B.Unicast Reverse Path Forwarding is configured in loose mode in this router.
C.Packets may be leaving AS 1 without the BGP routing flag set to 1.
D.Unicast Reverse Path Forwarding is configured in strict mode in this router.
E.There is a missing Unicast Reverse Path Forwarding configuration.
最新试题
Which of the following describes the roles of devices in a WAN?（）
When upgrading the IOS image,the network administrator receives the exhibited error message.What could be the cause of this error?（）
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 next state of initial in spanning-tree protocol？
问一个怎么样的属性，能让路由不通告给任何的peer？
当将多个交换机加入到MST region当中会发生什么（what happen）？
A default Frame Relay WAN is classified as what type of physical network?（）
what is the advantage of policing opposite to shaping？
four switches， which one will be root switch.（no pic）.
R1 will choose which path to reach 10.1.0.0？