简答题 交换机上使用哪种组播通信协议？

多项选择题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.

问答题给出一段配置问你使用的是什么技术？ 简要配置如下： Class-map match-all image Match protocol http www.cisco.com

多项选择题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

问答题三台路由器，问：在路由器B（即中间的那台路由器）上的E0 1的IN方向做一个ACL，要求路由器A可以TELNET路由器C，但是路由器C不可以TELNET路由器A。要求写出ACL命令行。

单项选择题Whiletroubleshootinganetwork，youneedtoverifythelivenessofhostsinthesubnet192.168.1.64 26.Allofthehostsareabletoreplytopingrequests.Howwouldyouconfirmtheexistingnodesusingonesinglecommand？（）

A.ping 192.168.1.255
B.ping with sweep option
C.ping 192.168.1.127
D.ping 192.168.1.64
E.ping with broadcast option