Cisco 试题库CCNA最新真题

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1、Cisco试题库:ccna最新真题1:yourjuniornetworkadministratorwantstoknowwhatthedefaultsubnetmaskisforaclasscipaddress.whatdoyoutellhim?　　a.255.0.0.0]6l　　b.255.255.0.0　　c.255.245.255.0　　d.255.255.255.0　　e.255.255.255.255　　　　2:anapplicationneedstohavereliable,end-t

2、o-endconnect-ivity.whichofthefollowingprotocolswillgiveyoureliableconnectivity?　　a.tcp　　b.udp　　c.ip　　d.icmp　　　　3:youaredesigninganetwork,whichneedstosupport55users.youdon'tplantoextendthesegmentbeyondthecurrentnumberofusers.whichsubnetmaskwouldbestmee

3、tyourneeds?　　a.255.255.0.0　　b.255.255.255.0　　c.255.255.255.192　　d.255.255.255.160　　　　4:youhaveaddedanewswitchtoyournetwork.youwanttomanageitremotely,soyouneedtoassignitanipaddress.yourrouterthatconnectstotheswitchhasanipaddressof172.16.12.33/27.whicho

4、fthefollowingaddressescanyouassigntothisswitch?　　a.172.16.12.33/28　　b.172.16.12.32/27　　c.172.16.12.33/27　　d.172.16.12.34/27　　e.172.16.12.35/28　　f.172.16.12.38/28　　g.172.16.12.63/27　　　　5:theaddress172.16.208.16/20isahostaddressinwhichofthefollowingsubn

5、ets?　　a.172.16.176.0–255.255.240.0　　b.172.16.192.0–255.255.240.0　　c.172.16.208.0–255.255.240.0　　d.172.16.224.0–255.255.240.0 6:youaredesigninganipaddressschemeforyourbrandnewremoteoffice.thevicepresidentofitcallstotellyouthatyouwillbeinchargeofthe192.

6、168.1.64/26subnetwork.thissuppliesyouwithasinglesubnetworkwith62hosts.youneedtohaveatleasttwosubnetswith14hostsineachsubnet.whatcustomsubnetmaskshouldyouuse?　　a.255.255.255.128　　b.255.255.255.192　　c.255.255.255.224　　d.255.255.255.240　　e.255.255.255.24

7、8　　　　7:youhavesubnettedthe210.106.14.0networkwitha/24mask.yourbossatacme,inc.wantstoknowhowmanyusablesubnetworksandusablehostaddressespersubnetthiswouldprovide.whatshouldyoutellher?　　a.onenetworkwith254hosts　　b.twonetworkswith128hosts　　c.fournetworksw

8、ith64hosts　　d.sixnetworkswith30hosts　　　　8:identifythreevalidhostaddressesinanysubnetofthe201.168.27.0network,assumingafixedsubnetmaskof255.255.255.240.(choosethree.)　　a.201.168.27.33　　b.201.168.27.112　　c.201.168.27.119　　d.201.168.27.126　　e.201