CCNA3FinalExamV40Answers.docx
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CCNA3FinalExamV40Answers.docx
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CCNA3FinalExamV40Answers
CCNA3Answers–CCNAExam–CCNAExams
1.WhichsecurityprotocolormeasurewouldprovidethegreatestprotectionforawirelessLAN?
WPA2
cloakingSSIDs
sharedWEPkey
MACaddressfiltering
2.
Refertotheexhibit.AlltrunklinksareoperationalandallVLANsareallowedonalltrunklinks.AnARPrequestissentbycomputer5.Whichdeviceordeviceswillreceivethismessage?
onlycomputer4
computer3andRTR-A
computer4andRTR-A
computer1,computer2,computer4,andRTR-A
computer1,computer2,computer3,computer4,andRTR-A
allofthecomputersandtherouter
3.
Refertotheexhibit.HostsAandB,connectedtohubHB1,attempttotransmitaframeatthesametimebutacollisionoccurs.Whichhostswillreceivethecollisionjammingsignal?
onlyhostsAandB
onlyhostsA,B,andC
onlyhostsA,B,C,andD
onlyhostsA,B,C,andE
4.
Refertotheexhibit.RouterRAreceivesapacketwithasourceaddressof192.168.1.65andadestinationaddressof192.168.1.161.Whatwilltherouterdowiththispacket?
Therouterwilldropthepacket.
TherouterwillforwardthepacketoutinterfaceFastEthernet0/1.1.
TherouterwillforwardthepacketoutinterfaceFastEthernet0/1.2.
TherouterwillforwardthepacketoutinterfaceFastEthernet0/1.3.
TherouterwillforwardthepacketoutinterfaceFastEthernet0/1.2andinterfaceFastEthernet0/1.3.
5.
Refertotheexhibit.WhichtwosettingsshowthedefaultvalueofVTPconfigurationonaCisco2960switch?
(Choosetwo.)
revisionnumber
existingVLANs
operatingmode
domainname
pruningmode
6.Whichvaluedeterminesifaswitchbecomesthecentralpointofreferenceinthespanningtreetopology?
lowestbridgeID
highestrevisionnumber
lowestnumericIPaddress
highestnumericMACaddress
7.WhatisthepurposeoftheSpanningTreealgorithm?
ItpropagatesVLANconfigurationstootherswitches.
ItrestrictsbroadcastpacketstoasingleVLAN.
Itsegmentsanetworkintomultiplebroadcastdomains.
Itpreventsloopsinaswitchednetworkwithredundantpaths.
8.WhataretwobenefitsoftheIEEE802.11nstandardovertheIEEE802.11G?
(Choosetwo.)
requireslessequipment
providesimprovedrange
permitsincreaseddatarates
hasasingle-inputandasingle-output
needsnohardwareupgradeforcompatibility
9.WhichconfigurationchangeswillincrementtheconfigurationrevisionnumberontheVTPserver?
configuringtrunklinksontheVTPserver
configuringorchangingtheVTPpassword
configuringorchangingtheVTPdomainname
configuringorchangingtheVTPversionnumber
configuringordeletingaVLANorcreatingaVLANname
10.
Refertotheexhibit.Acompanyhasacquiredanewofficeinacampusenvironment.Switchesintheexistingofficeandthenewofficearedirectlyconnectedbyatrunklink.TheVLANsandIPaddressingaresetupasshownintheexhibit.Thecomputersineachofficearenotabletopingeachother.Whatwillfixtheproblem?
UseanaccesslinkbetweenS2andS3.
ConnectS2andS3toacommonrouter.
Setthesubnetmaskinthenewofficeto/24.
Configurethenewofficedefaultgatewayto172.17.10.1
ChangetheportassignmentsinthenewofficetoadifferentVLAN.
11.WhatisapossibleimpactofsettingtooshortanagingtimeintheMACaddresstableofaswitch?
overlylargeaddresstable
unnecessaryfloodingofpackets
excessivetimeoutsofstaticaddresses
impairedabilitytodynamicallylearnnewaddresses
12.
Refertotheexhibit.ThenetworkadministratorhasjustaddedVLAN50toSwitch1andSwitch2.HostsA,B,C,andDarecorrectlyconfiguredwithIPaddressesinthesubnetrangeforVLAN50.HostAcancommunicatewithhostB,butcannotcommunicatewithhostCorhostD.Whatisthecauseofthisproblem?
ThereisanativeVLANmismatch.
TheFa0/11interfaceofSwitch1isnotconfiguredasatrunk.
ThelinkbetweenSwitch1andSwitch2isupbutnottrunked.
VLAN50isnotallowedonthetrunklinkbetweenSwitch1andSwitch2.
13.
Refertotheexhibit.UserscomplainthattheydonothaveconnectivitytothewebserverthatisconnectedtoSW1.Whatshouldbedonetoremedytheproblem?
AllowallVLANsonthetrunklink.
ConfigureVLAN100asthenativeVLANforSW1.
ConfigurethetrunkportintrunkmodeonSW1.
Attachthewebservertoarouterandconfigureinter-VLANrouting.
14.WhatVLANsareallowedacrossatrunkwhentherangeofallowedVLANsissettothedefaultvalue?
onlythemanagementVLAN
allVLANsexcepttheextendedrangeVLANs
allVLANsexcept1and1002-1005
allVLANs
15.
Refertotheexhibit.AnewhostneedstobeconnectedtoVLAN1.WhichIPaddressshouldbeassignedtothisnewhost?
192.168.1.11/28
192.168.1.22/28
192.168.1.33/28
192.168.1.44/28
192.168.1.55/28
16.Usingthecommandcopytftp:
backup.cfgstartup-config,anadministratordownloadedasavedconfigurationfromaTFTPservertoaswitch.Whydoestheadministratornotdetectanychangesintheswitchconfigurationafterthedownloadcompletes?
Thecommandshouldhavebeencopystartup-configtftp:
backup.cfg.
AbackupconfigurationfromaTFTPservercannotbecopieddirectlyintothestartup-config.
Thecommandcopyrunning-configstartup-configshouldbeusedtosavethechangesontheswitch.
Downloadingtothestartup-configrequirestheswitchtobereloadedinorderfortheconfigurationtotakeeffect.
17.WhattwomethodscanbeusedtoremoveMACaddresstableentriesfromaswitch?
(Choosetwo.)
Powercycletheswitchtoclearalldynamicallylearnedaddresses.
Theclearswitching-tablescommandwillremovestaticallyconfiguredentries.
Theclearmac-address-tablecommandwillremovestaticallyanddynamicallyconfiguredtableentries.
Theeraseflashcommandwillclearallstaticallyconfiguredtableentries.
StaticallyconfiguredMACaddresseswillautomaticallyberemovedfromtheaddresstable300minutesafterthelastactivityonaswitchport.
18.WhichtypeoftrafficcanstillbereceivedonaswitchinterfacethatisinSTPblockingmode?
BPDUframes
multicastframes
broadcastframes
Layer3packets
19.WhichmethodestablishesanadministrativeconnectionforconfiguringtheLinksysWRT300Nwirelessaccesspoint?
AssociatewiththeaccesspointandthenopenaHyperTerminalsessionwiththeaccesspoint.
Physicallyconnecttotheaccesspointandthenrebootthecomputertolaunchtheconfigurationsoftware.
FromacomputerinthesameIPsubnetastheaccesspoint,enterthedefaultIPaddressoftheaccesspointinawebbrowser.
ModifytheTCP/IPpropertiesofthecomputerconnectedtotheaccesspointsothatitexistsonthesamenetwork,andthenrebootyourcomputertoestablishaconnection.
20.
Refertotheexhibit.Alledgeportsareconfiguredwiththespanning-treeportfastcommand.Host1isrecentlyconnectedtoportFa0/1onswitchSW1.WhichstatementistrueaboutthestatusofportFa0/1?
Theportwilltransitionintoblockingstate.
Theportwilltransitionimmediatelyintoforwardingstate.
Theportwilltransitionintoblockingstateandthenimmediatelyintoforwardingstate.
Theportwilltransitionintoblockingstateandimmediatelytransitionthroughthelisteningandlearningstates.
21.
Refertotheexhibit.WhatistrueoftheconfigurationofswitchS1?
ACiscoproprietaryprotocolisinuseforportsFa0/1andFa0/3.
SwitchportsFa0/1andFa0/3havebeenconfiguredwiththeswitchportmodeaccesscommand.
UntaggedframesreceivedonportsFa0/1andFa0/3willbeplacedonVLAN1.
SwitchportsFa0/1andFa0/3areconfiguredtocarrydatafrommultipleVLANs.
22.
Refertotheexhibit.TheconfigurationstepsthatarelistedintheexhibithavebeenenteredinswitchS1viatheconsole.Subsequentattemptstotelnettotheswitcharenotsuccessful.Whatiscausingtheproblem?
TheswitchmustbeconfiguredwithSSHversion1.
ThetransportinputcommandmustspecifyTelnetaccess.
TheRSAkeysmustbereturnedtozerobeforeSSHwillpermitTelnetaccess.
Theipdomain-namecommandmustalsobeenteredinlineconfigurationmodeforthevtylines.
23.
Refertotheexhibit.Whichswitchwillbeelectedastherootbridgeofthespanningtreetopology?
Cat-A
Cat-B
Cat-C
Cat-D
24.
Refertotheexhibit.VTPhasbeenconfiguredwithVTPpruningenabledonallswitches.IfHostAsendsabroadcastframetoSW1,whichdeviceswillreceivetheframe?
SW1,SW3,HostF
SW1,HostB,HostC
SW1,SW2,SW3,SW4,HostF
SW1,SW2,SW3,SW4,allhosts
25.
Refertotheexhibit.Whichtwostatementsaretrueabouttheoperationoftheinterfaces?
(Choosetwo.)
IncomingtrafficwithVLANID0isprocessedbyinterfacefa0/0.
IncomingtrafficthathasaVLANIDof2isprocessedbysubinterfacefa0/0.2.
Bothsubinterfacesremainupwithlineprotocolup,eveniffa0/0lineprotocolisdown.
SubinterfacesuseuniqueMACaddressesbyaddingthe802.1QVLANIDtothehardwareaddress.
Trafficinboundonthisrouterisprocessedbydifferentsubinterfaces,dependingontheVLANfromwhichthetrafficoriginated.
26.ThenetworkadministratorwantstoconfigureaswitchtopassVLANupdateinformationtootherswitchesinthedomainbutnotupdateitsownlocalVLANdatabase.Whichtwostepsshouldtheadministratorperformtoachievethis?
(Choosetwo.)
ResettheVTPcounters.
ConfigureVTPversion1ontheswitch.
ConfiguretheVTPmodeoftheswitchtotransparent.
Verifythattheswitchhasahigherconfigurationrevisionnumber.
ConfiguretheswitchwiththesameVTPdomainnameasotherswitchesinthenetwork.
27.
Refertotheexhibit.Thedevicesinthenetworkareoperatio
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