简答题

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

单项选择题Whichmechanismcanyouusetoachievesub-secondfailoverforlinkfailuredetectionwhenaswitchedEthernetmediaisusedandlossofsignalisnotsupportedbythelinkprovider？（）

A.OSPF standard hellos
B.Cisco Discovery Protocol link detection
C.Bidirectional Forwarding Detection
D.Fast Link Pulse
E.autonegotiation

单项选择题Refer to the exhibit. R2 and R3 are routers connected using Ethernet services from a service provider and can receive pings from each other. OSPF is configured as the routing protocol but adjacency is not happening. According to the output of the show commands in the exhibit, what could be the most likely cause of the problem?（）

A.Ethernet interfaces were configured as point-to-point.
B.Process IDs are not matching.
C.Configured bandwidths do not match on both interfaces.
D.Broadcasts and multicast are not being propagated over the Ethernet services.
E.OSPF cost does not match on both interfaces.