CCNA 3Final Exam.docx
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CCNA 3Final Exam.docx
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CCNA3FinalExam
CCNA3-FinalExam
Postedbybeotronat9:
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1.Refertotheexhibit.ThenetworkadministratorneedstosetupSwitch1forremoteaccessfromHostA.TheshowipinterfacebriefisissuedonRouter1andtheshowinterfacestrunkcommandisissuedontheSwitch1toverifythecurrentstatus.TheadministratorappliestheadditionalconfigurationshownintheexhibittoSwitch1.However,thetelnetfromHostAfails.Whatadditionalcommandsneedtobeappliedtotheswitch?
•Switch(config)#interfacevlan1
Switch(config-if)#ipaddress10.1.1.250255.255.255.0
Switch(config-if)#noshutdown
Switch(config-if)#ipdefault-gateway10.1.10.254
•Switch(config)#interfacevlan1
Switch(config-if)#ipaddress10.1.50.250255.255.255.0
Switch(config-if)#noshutdown
Switch(config-if)#ipdefault-gateway10.1.50.254
•Switch(config)#interfacevlan10
Switch(config-if)#ipaddress10.1.10.250255.255.255.0
Switch(config-if)#noshutdown
Switch(config-if)#ipdefault-gateway10.1.10.254
•Switch(config)#interfacevlan10
Switch(config-if)#ipaddress10.1.1.250255.255.255.0
Switch(config-if)#noshutdown
Switch(config-if)#ipdefault-gateway10.1.10.254
•Switch(config)#interfacevlan50
Switch(config-if)#ipaddress10.1.10.250255.255.255.0
Switch(config-if)#noshutdown
Switch(config-if)#ipdefault-gateway10.1.10.254
2.Refertotheexhibit.Onthebasisoftheconfigurationshown,howwillanEthernetframeonportGigabitEthernet0/1bemodified?
•802.1Qencapsulationprependsa4-bytetagfieldinfrontoftheoriginalEthernetframeandrecomputestheframechecksequence(FCS)onthemodifiedframe.
•802.1Qencapsulationinsertsa4-bytetagfieldintotheoriginalEthernetframebetweenthesourceaddressandtype/lengthfieldsandrecomputestheframechecksequence(FCS)onthemodifiedframe.
•802.1Qencapsulationprependsan802.1pfieldinfrontoftheoriginalEthernetframeandrecomputestheframechecksequence(FCS)onthemodifiedframe.•802.1Qencapsulationinsertsan802.1pfieldintotheoriginalEthernetframebetweenthesourceaddressandtype/lengthfieldsandrecomputestheframechecksequence(FCS)onthemodifiedframe.
3.WhatVLANsareallowedacrossatrunkwhentherangeofallowedVLANsissettothedefaultvalue?
•AllVLANswillbeallowedacrossthetrunk.
•OnlyVLAN1willbeallowedacrossthetrunk.
•OnlythenativeVLANwillbeallowedacrossthetrunk.
•TheswitcheswillnegotiateviaVTPwhichVLANstoallowacrossthetrunk.
4.Whichparameterisusedtouniquelyidentifyonewirelessnetworkfromanother?
•SSID
•OFDM
•WEP
•DSSS
5.Refertotheexhibit.WhatistheconsequenceifSW1portF0/1isconfiguredasanedgeport?
•SW1portF0/1transitionstothelearningstate.
•SW1portF0/1cangenerateatemporaryloop.
•SW1portF0/1becomesanon-designatedport.
•SW1portF0/2nolongerpassesBPDUstoSW4.
6.Refertotheexhibit.WhatwillallowahostonVLAN40onswitchXtocommunicatewithahostinVLAN40onswitchY?
•QoS
•routing
•trunking
•VPN
7.Refertotheexhibit.Spanning-treeportprioritiesare128forallinterfaces.Thenetworkadministratorentersthespanning-treevlan1rootprimarycommandonS4.Whichtwoportresultsarecorrect?
(Choosetwo.)
•S1Gi0/1becomesarootport.
•S2Gi0/2becomesanon-designatedport.
•S3Gi0/1becomesanon-designatedport.
•S4Gi0/1becomesarootport.
•S4Gi0/2becomesadesignatedport.
8.Refertotheexhibit.Whichtwofactscanbeconfirmedbythisoutput?
(Choosetwo.)
•Thisswitchshowsnoconfigurationrevisionerrors.
•Thisswitchhasestablishedtwo-waycommunicationwiththeneighboringdevices.
•ThisswitchisconfiguredtoadvertiseitsVLANconfigurationtootherVTP-enabledswitchesinthesameVTPdomain.
•ThisswitchwilldropallVTPadvertisementsthatcomefromtheswitchesthatareconfiguredinthesameVTPdomain.
•ThisswitchwillcausenodisruptionintheVTPdomainoperationsiftherestoftheswitchesinthesameVTPdomainhaveahigherconfigurationrevisionnumber.
9.Refertotheexhibit.R1isconfiguredfortraditionalinter-VLANrouting.R1canpingcomputer3butcannotpingcomputer1.Whatisapossiblecauseforthisfailure?
•S1portFa0/11isinthewrongVLAN.
•R1doesnothaveanactiveroutingprotocol.
•TheIPaddressofcomputer1isinthewronglogicalnetwork.
•RouterinterfaceFa0/0hasthewrongtrunkencapsulationtypeconfigured.
10.Refertotheexhibit.Bothswitchesareinterconnectedviaatrunklink.HostAandhostBareonthedefaultVLANbutarenotabletoexchangetraffic.Whatshouldbedonetofixtheproblem?
•AllowallVLANsonthetrunklink.
•RemovethenativeVLANfromthetrunk.
•IncludearouterorswitchwithLayer3capabilities.
•ConfigurethesamenativeVLANonbothendsofthetrunk.
11.Refertotheexhibit.ThehostsconnectedtoswitchSW1arenotabletocommunicatewiththehostsinthesameVLANsconnectedtoswitchSW2.Whatshouldbedonetofixtheproblem?
•ConfigureVLANswithdifferentVLANIDsonswitchSW2.
•ReconfigurethetrunkportonswitchSW2withstatictrunkconfiguration.
•IntroduceaLayer3deviceoraswitchwithLayer3capabilityinthetopology.
•ApplyIPaddressesthatareinthesamesubnettotheinterfacesusedtoconnectSW1andSW2.
12.Whathappenswhenthecryptokeyzeroizersacommandisenteredonaswitchconfiguredwiththetransportinputsshcommandonthevtylines?
•AnewRSAkeypairiscreated.
•TheswitchdefaultstoallowingTelnetconnectionsonly.
•TheswitchisnolongerabletomakeSSHconnectionsasanSSHclient.
•TheswitchallowsremoteconnectionsonlyafteranewRSAkeypairisgenerated.
13.Refertotheexhibit.AnEthernetswitchhasdevelopedtheCAMtableshown.Whatactionwilltheswitchtakewhenitreceivestheframeshownatthebottomoftheexhibit?
•forwardtheframeoutallinterfacesexceptInterface3
•addstation00-00-3D-1F-11-05toInterface2intheforwardingtable
•forwardtheframeoutInterface3
•discardtheframe
•forwardtheframeoutallinterfaces
•forwardtheframeoutInterface2
14.WhichtwostatementsdescribeSpanningTreeProtocol?
(Choosetwo.)
•IteliminatesLayer2loopsinnetworktopologies.
•Iteliminatestheneedforredundantphysicalpathsinnetworktopologies.
•ItcanonlybeusedinnetworksinwhichLayer2switchingisinuse.
•Itcanonlybeusedinnetworkswherebothroutersandswitchesareusedtogether.
•Itcanonlybeusedinnetworkswhereroutersareinstalled.
15.Refertotheexhibit.AnewhostneedstobeconnectedtoVLAN1.WhichIPaddressesshouldbeassignedtothisnewhost?
•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.Refertotheexhibit.HowdoesSW1managetrafficcomingfromHostA?
•SW1dropsthetrafficbecauseitisuntagged.
•SW1leavesthetrafficuntaggedandforwardsitoverthetrunk.
•SW1tagsthetrafficwiththelowestVLANIDvalueandforwardsitoverthetrunklink.
•SW1encapsulatesthetrafficwith802.1Qencapsulationandforwardsitoverthetrunklink.
17.Refertotheexhibit.TheswitchesareconfiguredforVTPasshown.Whichtwostatementscorrectlydescribetheoperationoftheseswitches?
(Choosetwo.)
•AnewVLANcanbeaddedtoSwitch1andthatinformationwillbeaddedonlytoSwitch2.
•AnewVLANcanbeaddedtoSwitch1andthatinformationwillbeaddedtoSwitch2andSwitch4.
•AnexistingVLANcanbedeletedfromSwitch4andthatVLANwillbedeletedfromSwitch1andSwitch2.
•AnexistingVLANcanbedeletedfromSwitch2andthatVLANwillbedeletedfromSwitch1andSwitch4.
•AnewVLANcanbeaddedtoSwitch4andthatinformationwillbeaddedtoSwitch1,Switch2,andSwitch3.
•AnewVLANcanbeaddedtoSwitch3andthatinformationwillbeaddedtoSwitch1,Switch2,andSwitch4.
18.Refertotheexhibit.ComputerAsendsabroadcastmessage.Whichdeviceswillseethebroadcast?
•computerB
•computerBandRouter1
•computerCandRouter1
•computerB,computerD,computerEandRouter1
•computerB,computerC,computerD,computerEandRouter1
•computerA,computerB,computerC,computerD,computerEandRouter1
19.Refertotheexhibit.ThenetworkadministratorenterstheconfigurationshowntoallowbothSSHandTelnetconnectionstotheswitch.TheTelnetconnectionsfail.Whatisthemostlikelycauseofthisproblem?
•TheSSHversionnumberiswrong.
•SSHhasbeenconfiguredonthewrongline.
•TelnetandSSHcannotbeconfiguredsimultaneously.
•Thetransportinputcommandisconfiguredincorrectly.
20.Refertotheexhibit.Whichswitchwillbeelectedastherootbridgeofthespanningtreetopology?
•Cat-A
•Cat-B
•Cat-C
•Cat-D
21.Refertotheexhibit.TheswitchesintheexhibithaveVTPpruningenabled.WhichVLANswillbeprunedfromswitchSW3?
•VLAN10andVLAN20
•VLAN1,VLAN10,andVLAN20
•VLAN1,VLAN1002through1005
•VLAN1,VLAN10,VLAN20,VLAN1002through1005
22.Refertotheexhibit.WhatdoesSTATICindicateintheoutputthatisshown?
•TheswitchwillnotallowanyotherdevicetoconnecttoportFa0/15.
•TrafficdestinedforMACaddress0000.c123.5432willbeforwardedtoFa0/15.
•Thisentrywillberemovedandrefreshedevery300secondstokeepitinthetable.
•TheswitchlearnedthisMACaddressfromthesourceaddressinaframereceivedonFa0/15.
•Whenprocessingaframe,theswitchdoesnothavetoperformalookuptodeterminethefinaldestinationport.
23.Whichthreestatementsareregardingrouter-on-a-stickinter-VLANrouting?
(Choosethree.)
•requirestheuseofsubinterfacesontherouter
•requiresanaccesslink
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