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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.
Refer to the exhibit. There are two sites connected across WAN links. All intersite and intrasite links always have the same routing metric. The network administrator sees only the top routers and links being used by hosts at both LAN A and LAN B. What would be two suggestions to load-balance the traffic across both WAN links?（）
A.Make HSRP track interfaces between the edge and core routers.
B.Replace HSRP with GLBP.
C.Add crossed intrasite links： R1-R4， R2-R3， R5-R8， and R6-R7.
D.Make R3 and R8 have lower HSRP priority than R1 and R7.
E.Replace HSRP with VRRP
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如何實現(xiàn)擁塞避免？
R1 will choose which path to reach 10.1.0.0？
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?（）
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?（）
what is the advantage of policing opposite to shaping？
QoS Mechanisms：問在部署QoS中要用的3個mechanisms是什么？
What is the next state of initial in spanning-tree protocol？
Refer to the exhibit.How many broadcast domains exist in theexhibited topology？（）
A default Frame Relay WAN is classified as what type of physical network?（）
什么是NAT？