CCNA第四学期第3单元练习英语答案.doc

CCNA第四学期第3单元练习英语答案.doc

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1、Anemployeeatacompanynoticesthatthewirelesssignalstrengthindicatoronhislaptopfluctuates(波动)fromgoodtolow.Thenetworkadministratordecidestodoasitesurvey(现场勘测)ofthatarea.Whichthreefactorsneedtobeincludedinthesurvey?(Choosethree.)typeandmodelnumberoftheWNICofthelaptopnumberofusersinthearealocationofthe

2、APlistofMACaddressesfilteredbytheAPnumberofsimultaneousapplicationsrunningonthelaptopoftheemployeelocationofwallsandfilingcabinetsintheoffice(办公室的墙体和文件柜)Refertotheexhibit.Whichtwoactionswouldimprovetheweaknessesoftheexhibitedtopology,assumingthateachaccesslayersegmentisinitsownsubnet?(Choosetwo.)I

3、mplementredundantlinkstoeachserverbyaddingadditionalNICs.ImplementaredundantlinkfromallaccesslayerswitchestoAdmin,Dist,andServerFarm.ImplementabackupfirewallwithalinktoasecondaryISPandimplementaredundantlinktotheDMZ.使用通向另一家ISP的链路来设立备用防火墙并设立通向DMZ的冗余链路。Implementredundantlinksfromtheexistingfirewallt

4、oallaccesslayerswitches.ImplementredundantlinksfromtheDMZtoAdminandDist.WhichtwoitemsareobjectivesofaWLANdesignsitesurvey?(Choosetwo.)identifycoverageareasdetermineprimaryAPlocationsdeterminewhatAPequipmentshouldbepurchaseddeterminehowmanyuserswillaccesstheWLANidentifythebottleneckoftheLANinfrastr

5、uctureRefertotheexhibit.ThetopoftheoutputshowstheCiscoFeatureNavigatorregardingaCiscoIOSimagethattheadministratorwantstoinstallonarouter.Belowitistheoutputfromtheshowversioncommandforthatrouter.WhichstatementistrueregardingthecapacityoftheroutertorunthisCiscoIOSimage?ThereisnotenoughDRAMandflash.T

6、hereisenoughDRAMandflash.ThereisenoughDRAMbutnotenoughflash.ThereisenoughflashbutnotenoughDRAM.Refertotheexhibit.Anetworkadministratorissuesthecommandshowntogainknowledgeaboutapoorlydocumentednetwork.Whichtwopiecesofinformationcanthenetworkadministratordiscoverfromthecommandoutput?(Choosetwo.)Onec

7、onnecteddevicehasroutercapability.TheentirenetworkcontainsatotaloffiveCiscodeviceswithCDPenabled.NoneofthedirectlyconnectednetworkdeviceshavebeenconfiguredwithanIPaddress.DeviceEDGE_2811isconnectedtoportFastEther

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