解读ccna英文考题

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1、思科试题中文阅读一、计算机网络基础知识1．WhichofthefollowingdevicescanbeanadministratorusetosegmenttheirLan?()(chooseallthatapply)A.hubsB.repeatersC.switchesD.bridgesE.routersF.mediaconvertersG.alloftheabove1．以下哪些设备可以用来分割局域网？A．集线器B。中继器C。交换机D。网桥E。路由器F。多媒体网关G。以上都是2.whichtypeofcableshould

2、beusedtomakeaconnectionbetweentheFa0/0portonarouterandtheFa0/0portswitch?()A.rollovercableB.consolecableC.crossovercableD.straight-throughcableE.serialcable2．哪种类型的电缆可以用于连接一个Fa0/0路由器端口及Fa0/0交换机端口？（）A．rollover电缆B.console电缆C.crossover电缆D.straight-through电缆E.serial电缆3.g

3、iventhechoicesbelow,whichaddressrepresentsaunicastaddress?()A.224.1.5.2B.FFFF.FFFF.FFFFC.192.168.24.59/30D.255.255.255.255E.172.31.128.255/183．以下的选项中，哪个代表单播地址？A.224.1.5.2B.FFFF.FFFF.FFFFC.192.168.24.59/30D.255.255.255.255E.172.31.128.255/184.ifahostonanetworkhasthea

4、ddress172.16.45.14/30,whatistheaddressofthesubnetworktowhichthishostbelong?()A.172.16.45.0B.172.16.45.4C.172.16.45.8D.172.16.45.12E.172.16.45.184．一台主机所在的网络地址是172.16.45.14/30，那么该主机所在的子网地址是多少？A.172.16.45.0B.172.16.45.4C.172.16.45.8D.172.16.45.12E.172.16.45.185.whichon

5、eofthebinarynumberrangesshownbelowcorrespondstothevalueofthefirstoctetinclassBaddressrange?()A.10000000---11101111B.11000000----11101111C.10000000---10111111D.10000000-----11111111E.11000000---101111115．以下那个二进制数范围符合B类地址的头八位范围？A.10000000---11101111B.11000000----11101

6、111C.10000000---10111111D.10000000-----11111111E.11000000---101111116.howmanysubnetworksandhostsareavaibablepersubnetifyouapplya/28masktothe210.10.2.0classCnetwork?A.30networksand6hostsB.6networksand30hostsC.8networksand32hostsD.32networksand18hostsE.14networksand14

7、hostsF.noneoftheabove6．如果你在C类网络210.10.2.0使用一个/28的掩码，可有多少子网，每个子网有多少台可用主机？A.30个子网，6台主机B.6个子网，30台主机C．8个子网，32个主机D.32个子网，18台主机E.14个子网，14台主机F．以上都不对7.whatisthesubnetforthehostIPaddress172.16.210.0/22?()A.172.16.42.0B.172.16.107.0C.172.16.208.0D.172.16.252.0E.172.16.254.0F.

8、noneoftheabove7．那个是主机ip地址172.16.210.0/22所归属的子网？A.172.16.42.0B.172.16.107.0C.172.16.208.0D.172.16.252.0E.172.16.254.0F.以上都不对8.3addressaresh