CCNA 2 Chapter 5 Exam Answer.docx

CCNA 2 Chapter 5 Exam Answer.docx

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CCNA2Chapter5ExamAnswer

CCNA2Chapter5ExamAnswer

1.Refertotheexhibit.TheswitchdoestheroutingforthehoststhatconnecttoVLAN5.IfthePCaccessesawebserverfromtheInternet,atwhatpointwillaVLANnumberbeaddedtotheframe?

CCNA2Chapter5ExamAnswer001（v5.02,2015）

∙pointA

∙pointB

∙pointC

∙pointD

∙pointE

∙NoVLANnumberisaddedtotheframeinthisdesign.

2.Whichtypeofinter-VLANcommunicationdesignrequirestheconfigurationofmultiplesubinterfaces?

∙routeronastick

∙routingviaamultilayerswitch

∙routingforthemanagementVLAN

∙legacyinter-VLANrouting

3.Whatisadisadvantageofusingrouter-on-a-stickinter-VLANrouting?

∙doesnotsupportVLAN-taggedpackets

∙requirestheuseofmorephysicalinterfacesthanlegacyinter-VLANrouting

∙doesnotscalewellbeyond50VLANs

∙requirestheuseofmultiplerouterinterfacesconfiguredtooperateasaccesslinks

4.HowistrafficroutedbetweenmultipleVLANsonamultilayerswitch?

∙Trafficisroutedviaphysicalinterfaces.

∙TrafficisroutedviainternalVLANinterfaces.

∙Trafficisbroadcastoutallphysicalinterfaces.

∙Trafficisroutedviasubinterfaces.

5.AsmallcollegeusesVLAN10fortheclassroomnetworkandVLAN20fortheofficenetwork.WhatisneededtoenablecommunicationbetweenthesetwoVLANswhileusinglegacyinter-VLANrouting?

∙ArouterwithatleasttwoLANinterfacesshouldbeused.

∙Twogroupsofswitchesareneeded,eachwithportsthatareconfiguredforoneVLAN.

∙ArouterwithoneVLANinterfaceisneededtoconnecttotheSVIonaswitch.

∙Aswitchwithaportthatisconfiguredastrunkisneededtoconnecttoarouter.

6.Whichstatementdescribesadisadvantageofusingroutersubinterfacesforinter-VLANrouting?

∙Itismoreexpensivethanusingindividualrouterinterfaces.

∙Routedtrafficmustcontendforbandwidthonasinglerouterinterface.

∙Trunkingcannotbeusedtoconnecttheroutertotheswitch.

∙Alluntaggedtrafficisdropped.

7.Refertotheexhibit.Anetworkadministratorneedstoconfigurerouter-on-a-stickforthenetworksthatareshown.HowmanysubinterfaceswillhavetobecreatedontherouterifeachVLANthatisshownistoberoutedandeachVLANhasitsownsubinterface?

CCNA2Chapter5ExamAnswer002（v5.02,2015）

∙1

∙2

∙3

∙4

∙5

8.Refertotheexhibit.AnetworkadministratorhasconfiguredrouterCiscoVillewiththeabovecommandstoprovideinter-VLANrouting.WhatcommandwillberequiredonaswitchthatisconnectedtotheGi0/0interfaceonrouterCiscoVilletoallowinter-VLANrouting?

?

CCNA2Chapter5ExamAnswer003（v5.02,2015）

∙switchportmodeaccess

∙noswitchport

∙switchportmodetrunk

∙switchportmodedynamicdesirable

9.Refertotheexhibit.RouterRAreceivesapacketwithasourceaddressof192.168.1.35andadestinationaddressof192.168.1.85.Whatwilltherouterdowiththispacket?

CCNA2Chapter5ExamAnswer004（v5.02,2015）

∙Therouterwilldropthepacket.

∙TherouterwillforwardthepacketoutinterfaceFastEthernet0/1.1.

∙TherouterwillforwardthepacketoutinterfaceFastEthernet0/1.2.

∙TherouterwillforwardthepacketoutinterfaceFastEthernet0/1.3.

∙TherouterwillforwardthepacketoutinterfaceFastEthernet0/1.2andinterfaceFastEthernet0/1.3.

10.Refertotheexhibit.CommunicationbetweentheVLANsisnotoccurring.Whatcouldbetheissue?

CCNA2Chapter5ExamAnswer005（v5.02,2015）

∙Thewrongportontherouterhasbeenused.

∙TheGi1/1switchportisnotintrunkingmode.

∙Aduplexissueexistsbetweentheswitchandtherouter.

∙DefaultgatewayshavenotbeenconfiguredforeachVLAN.

11.Inter-VLANcommunicationisnotoccurringinaparticularbuildingofaschool.Whichtwocommandscouldthenetworkadministratorusetoverifythatinter-VLANcommunicationwasworkingproperlybetweenarouterandaLayer2switchwhentherouter-on-a-stickdesignmethodisimplemented?

（Choosetwo.）

∙Fromtherouter,issuetheshowiproutecommand.

∙Fromtherouter,issuetheshowinterfacestrunkcommand.

∙Fromtherouter,issuetheshowinterfacesinterfacecommand.

∙Fromtheswitch,issuetheshowvlanscommand.

∙Fromtheswitch,issuetheshowinterfacestrunkcommand.

∙Fromtheswitch,issuetheshowinterfacesinterfacecommand.

12.Refertotheexhibit.Anetworkadministratorisverifyingtheconfigurationofinter-VLANrouting.UserscomplainthatPCsondifferentVLANscannotcommunicate.Basedontheoutput,whataretwoconfigurationerrorsonswitchinterfaceGi1/1?

（Choosetwo.）

CCNA2Chapter5ExamAnswer006（v5.02,2015）

∙Gi1/1isinthedefaultVLAN.

∙VoiceVLANisnotassignedtoGi1/1.

∙Gi1/1isconfiguredastrunkmode.

∙NegotiationoftrunkingisturnedononGi1/1.

∙Thetrunkingencapsulationprotocolisconfiguredwrong.

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