Download - CCNA 4 Discovery Chapter 7
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WhatOSImodelLayer2securitymeasurecananetworkengineerimplementwhenprototypingnetworksecurity?
afirewallatthenetworkedge
portsecurityattheaccessdesignlayer
portsecurityatthedistributiondesignlayer
IPaccesscontrollistsattheaccessdesignlayer
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Refertotheexhibit.TheredundantpathsareofequalbandwidthandEIGRPistheroutingprotocolinuse.WhichstatementdescribesthedataflowfromServertoPC2?
EIGRPloadbalancesacrosstheR3toR1andR3toR2links.
EIGRPloadbalancesacrosstheR1toSwitch3andR2toSwitch3paths.
EIGRPloadbalancesacrosstheSwitch1toSwitch3andSwitch1toSwitch2paths.
EIGRPdoesnotloadbalanceinthistopology.
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SwitchportFa0/24waspreviouslyconfiguredasatrunk,butnowitistobeusedtoconnectahosttothenetwork.HowshouldthenetworkadministratorreconfigureswitchportFa0/24?
Usetheswitchportmodeaccesscommandfrominterfaceconfigurationmode.
Entertheswitchportnonegotiatecommandfrominterfaceconfigurationmode.
Administrativelyshutdownandre‐enabletheinterfacetoreturnittothedefault.
UsetheswitchportaccessvlanvlannumbercommandfrominterfaceconfigurationmodetoremovetheportfromthetrunkandaddittoaspecificVLAN.
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Anetworkdesignermustprovidearationaletoacustomerforadesignwhichwillmoveanenterprisefromaflatnetworktopologytoahierarchicalnetworktopology.Whichtwofeaturesofthehierarchicaldesignmakeitthebetterchoice?(Choosetwo.)
lowerbandwidthrequirements
reducedcostforequipmentandusertraining
easiertoprovideredundantlinkstoensurehigheravailability
lessrequiredequipmenttoprovidethesameperformancelevels
abilitytoaddaccesslayermoduleswithoutaffectingexistingusers
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Whenaswitchportisrecoveringfromafailure,whichprotocolallowstheporttotransitiondirectlytotheforwardingstate?
BGP
HSRP
RSTP
VPN
VTP
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Whichisthenextstepinevaluatingtheperformanceofanetworkoncetheprototypeisconfiguredandbasicconnectivityisverified?
Generatedifferenttraffictypestoseetheeffectsonperformance.
StarttestingatLayer2byverifyinglinkfailurerecovery.
Createanetworkbaseline.
Tracethepacketroutethroughthenetwork.
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Refertotheexhibit.Theusersonthe192.168.10.192networkarenotallowedInternetaccess.ThenetworkdesigncallsforanextendedACLtobedevelopedandtested.WhereshouldtheACLbeplacedfortheleasteffectonothernetworktraffic?
inboundonFa0/0ofR3
outboundonFa0/0ofR3
inboundonFa0/1ofR3
outboundonFa0/1ofR3
inboundonFa0/1ofR2
outboundonS0/0ofR2
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Refertotheexhibit.WhyareinterfacesFa0/11,Fa0/23,andFa0/24notshowninthisswitchoutput?
InterfacesFa0/11,Fa0/23,andFa0/24aretrunkports.
InterfacesFa0/11,Fa0/23,andFa0/24areshutdown.
InterfacesFa0/11,Fa0/23,andFa0/24areblocking.
InterfacesFa0/11,Fa0/23,andFa0/24faileddiagnostics.
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WhenimplementingRSTP,whatisthedesignationforaportonanonrootswitchthatblockstheportfromforwarding?
alternate
backup
designated
root
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AnetworkdesignerneedstodetermineifaproposedIPaddressingschemeallowsefficientroutesummarizationandprovidestheappropriateamountofscalabilitytoadesign.WhatisusefulforvalidatingaproposedhierarchicalIPaddressingscheme?
NBAR
apilotnetwork
aroutesummary
anetworksimulator
aphysicaltopologymap
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Refertotheexhibit.Anetworkadministratorhasbeengiventhetaskofcreatingadesignforatemporaryclassroombuildingthatistobesetupoutsideanovercrowdedschool.Intestingtheprototype,itisfoundthatthestudentPCcannotpingtheteacherPC.Alltheswitchinterfacesareactiveandconnectedproperly,asisinterfaceFa0/0oftherouter.Giventhatonlythecommandsshownhavebeenaddedtotherouterconfiguration,whatisthesourceoftheproblem?
TheIPsettingsonthestudentPCareincorrect.
ThedefaultgatewayontheteacherPCismisconfigured.
TherouterFa0/0interfacehasnotbeenconfiguredasaVLANtrunk.
TheFa0/0physicalinterfacehasnotbeenconfiguredwithanIPaddressandsubnetmask.
TheadministratorforgottoconfigurearoutingprotocoltoallowthepingpacketstoreachtheteacherPCsubnet.
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Whyisitimportanttorecordbaselinemeasurementsofaprototypenetwork?
Testresultsshowsecurityweaknessesafterthebaselinetestsarerun.
Thebaselineisthepointatwhichthenetworkisoperatingatitsfullestpotential.
Baselinemeasurementsdefineapointatwhichnetworktraffichasexceededthedesignedcapabilitiesofthenetwork.
Testresultsarecomparedtothebaselinetoseehowthetestconditionsincreaseprocessoruseordecreaseavailablebandwidth.
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ForthemultipleteststhatarerequiredtocompleteaLANdesigntestplan,whichactionshouldbetakenasacomponentofeverytest?
VerifyphysicalandIPconnectivity.
DemonstratemultipleVLANs.
Documenttheoperation.
DemonstrateroutingoftrafficbetweenseparateVLANs.
Demonstrate802.1qtrunklinkoperation.
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Refertotheexhibit.Afteralltheinterfaceshavestabilized,whatisthespanning‐treestateofalltheenabledinterfacesofSW11?
discarding
forwarding
learning
listening
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Anetworkengineerhasdecidedtopilottestaportionofanewnetworkdesignratherthanrelyonaprototypeforproof‐of‐concept.Whataretwoadvantagesofpilottestingadesignconcept?(Choosetwo.)
Thetestnetworkexperiencesreal‐worldnetworktraffic.
Userswithintheenterprisearenotaffectedbythetest.
Networkresponsecanbetestedinunplannedandunpredictablesituations.
Unlikelyfailureconditionscanbeconvenientlytested.
Networkresponsecanbetestedinahighlycontrolledsimulatedenvironment.
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Refertotheexhibit.Intheroutercommandencapsulationdot1q10,whatdoesthenumber10represent?
themetricthatisusedforaparticularroute
thenumberthatmustmatchtheFastEthernetsubinterfacenumber
theprioritynumberthatisgiventothedevicefortheelectionprocess
theidentifieroftheVLANthatisassociatedwiththeencapsulatedsubinterface
thenumberthatisusedtoprogramtherouterforunequal‐costpathloadbalancing
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Whilepreparinganetworktestplandocument,anetworkdesignerrecordsallinitialandmodifieddeviceconfigurations.Whichsectionofthedocumenttypicallycontainsthisinformation?
Appendix
TestProcedures
TestDescription
ActualResultsandConclusions
AnticipatedResultsandSuccessCriteria
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WhatRapidSpanningTreeProtocol(RSTP)stateisgiventotheforwardingportelectedforeveryswitchedEthernetLANsegment?
root
backup
alternate
designated
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Howdodesignersdecidewhichnetworkfunctionsneedtobeincludedintheprototypetest?
Theyselectthefunctionsthatalignwiththebusinessgoals.
Theyselectthefunctionsthatoccuratthenetworkcore.
Theyselectthefunctionsthatdonotexistintheexistingnetwork.
Theyselectthefunctionsfromalistofgenericnetworkoperation
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Refertotheexhibit.Duringprototyping,Layer2functionalityisbeingtested.Basedontheoutputshown,whichtwopiecesofinformationcanbedetermined?(Choosetwo.)
Switch1istherootbridge.
InterfaceFa0/2onSwitch1hasnoroleintheoperationofspanningtree.
InterfaceFa0/2onSwitch1isthealternateportusedtoreachtherootbridge.
Basedontheentriesinthe"Role"column,itcanbeconcludedthatRSTPhasbeenimplemented.
InterfaceFa0/1onSwitch1istheforwardingportselectedfortheentirespanning‐treetopology.
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Refertotheexhibit.Whattwomeasurescanbetakentoaddresstheareasofweaknesscircledinthenetworkdesign?(Choosetwo.)
Provideredundantconnectionstoallendusers.
Addanothercoreswitchtoincreaseredundancy.
Addaswitchintheserverblockconnectingtheserverfarmtoeachcoreswitch.
AddanadditionalswitchtotheDMZanddirectlinksfromthenewswitchtothecoreswitches.
ProvidearedundantfirewallrouterconnectingtoasecondISP,thecoreswitches,andtheDMZ.
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Refertotheexhibit.Anetworkdesignercreatesatestplanthatincludesthespecificationshown.Inwhichsectionofthetestplanwouldthisspecificationbefound?
TestDescription
TestProcedures
DesignandTopologyDiagram
ActualResultsandConclusions
AnticipatedResultsandSuccessCriteria
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Refertotheexhibit.DuringprototypetestingoftheCisconetworkshown,connectivitymustbeverified.AssumingallconnectionsareworkingandCDPisenabledonalldevicesandinterfaces,onwhichdevicewasthecommandissued?
R1
S1
R3
S2
R5
S3
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Refertotheexhibit.Anetworktechnicianisperforminganinitialinstallationofanewswitchintheeastwing.Thetechnicianremovestheswitchfromthebox,makestheconnectionstothenetwork,andaddstheconfigurationshown.Thetechniciannotifiesthenetworkadministratorthattheswitchhasbeeninstalled.Whenthenetworkadministratoratthehomeofficeattemptstotelnettotheswitchfromhost192.168.0.1,theconnectionfails.Whatactionshouldthenetworktechniciantake?
Addanenablepasswordtotheswitch.
Addadefaultgatewaytotheswitchconfiguration.
ConfiguretheswitchwithanIPaccesslisttopermitthehostconnection.
Enablethephysicalinterfacesoftheswitchwiththenoshutdowncommand.