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1WhichtwostatementsaboutDSLaretrue?(Choosetwo.)usersareonasharedmediumusesRFsignaltransmissionlocalloopcanbeupto3.5miles(5.5km)physicalanddatalinklayersaredefinedbyDOCSISuserconnectionsareaggregatedataDSLAMlocatedattheCO2WhichtwostatementsaretrueregardingaPPPconnectionbetweentwoCiscorouters?(Choosetwo.)LCPteststhequalityofthelink.LCPmanagescompressiononthelink.OnlyasingleNCPisallowedbetweenthetworouters.NCPterminatesthelinkwhendataexchangeiscomplete.WithCHAPauthentication,theroutersexchangeplaintextpasswords.3AnetworkadministratorisaskedtodesignasystemtoallowsimultaneousaccesstotheInternetfor250users.TheISPcanonlysupplyfivepublicIPaddressesforthisnetwork.Whattechnologycantheadministratorusetoaccomplishthistask?classfulsubnettingvariablelengthsubnetmasksclasslessinterdomainroutingport-basedNetworkAddressTranslation4Refertotheexhibit.AnadministratorisconfiguringNATtoprovideInternetaccesstotheinsidenetwork.Aftertheconfigurationiscompleted,usersareunabletoaccesstheInternet.Whatisthecauseoftheproblem?TheNATpoolisusinganinvalidaddressrange.Theinsideandoutsideinterfacesarebackwards.TheACLisreferencingthewrongnetworkaddress.TheNATinsidesourcecommandisreferringtothewrongACL.5WhatistheexpectedbehaviorofanADSLservice?Thedownloadrateisfasterthantheuploadrate.Theuploadrateisfasterthanthedownloadrate.Thedownloadanduploadratesarethesame.Theusercanselecttheuploadanddownloadratesbasedonneed.6AnetworkadministratoristroubleshootingthedynamicNATthatisconfiguredonrouterR2.WhichcommandcantheadministratorusetoseethetotalnumberofactiveNATtranslationsandthenumberofaddressesthatareallocatedfromtheNATpool?R2#showipnatstatisticsR2#showipnattranslationsR2#showrunning-configR2#clearipnattranslation7WhichtypeoftrafficwouldmostlikelyhaveproblemswhenpassingthroughaNATdevice?TelnetIPsecHTTPICMPDNS8Refertotheexhibit.TheinsidelocalIPaddressofPC-Ais192.168.0.200.WhatwillbetheinsideglobaladdressofpacketsfromPC-AaftertheyaretranslatedbyR1?10.0.0.1172.16.0.1192.168.0.1192.168.0.200209.165.200.2259Refertotheexhibit.WhatkindofNATisbeingconfiguredonR1?PATdynamicNATNAToverloadportforwarding10WhatbenefitdoesNAT64provide?ItallowssitestouseprivateIPv6addressesandtranslatesthemtoglobalIPv6addresses.ItallowssitestoconnectmultipleIPv4hoststotheInternetviatheuseofasinglepublicIPv4address.ItallowssitestoconnectIPv6hoststoanIPv4networkbytranslatingtheIPv6addressestoIPv4addresses.ItallowssitestouseprivateIPv4addresses,andthushidestheinternaladdressingstructurefromhostsonpublicIPv4networks.11WhatarethreebenefitsofusingFrameRelayforWANconnectivity?(Choosethree.)QoSsupportusingtheIPprecedencefieldonephysicalinterfacethatcanbeusedforseveralcircuitsintegratedencryptionmaturetechnologyreasonablecostseamlessdirectconnectivitytoanEthernetLAN12TheDLCInumberassignedtoaFrameRelaycircuitistobemanuallyaddedonapoint-to-pointlink.Whichthreesubinterfacecommandscouldbeusedtocompletetheconfiguration?(Choosethree.)bandwidthkilobitsencapsulationframe-relayframe-relayinterface-dlcidlciframe-relaymapipip-addressdlciframe-relaymapipip-addressdlcibroadcastipaddressip-addressmasknoshutdown13WhichcommandcanbeusedtochecktheinformationaboutcongestiononaFrameRelaylink?showframe-relaypvcshowframe-relaylmishowinterfacesshowframe-relaymap14AnetworkadministratorisconfiguringaPPPlinkwiththecommands:R1(config-if)#encapsulationpppR1(config-if)#pppquality70Whatistheeffectofthesecommands?ThePPPlinkwillbecloseddownifthelinkqualitydropsbelow70percent.TheNCPwillsendamessagetothesendingdeviceifthelinkusagereaches70percent.TheLCPestablishmentphasewillnotstartuntilthebandwidthreaches70percentormore.ThePPPlinkwillnotbeestablishedifmorethan30percentofoptionscannotbeaccepted.15Refertotheexhibit.Anetworkadministratorhasimplementedtheconfigurationinthedisplayedoutput.WhatismissingfromtheconfigurationthatwouldbepreventingOSPFroutingupdatesfrompassingtotheFrameRelayserviceprovider?Thepassive-interfacecommandhasnotbeenissuedoninterfaceserial0/1/0.Thebroadcastkeywordhasnotbeenissued.Thedirectlyconnectedneighborshouldhavebeenidentifiedbyusingstaticmapping.Thecommandtodisablesplithorizonhasnotbeenissued.16WhatisacharacteristicofFrameRelaythatallowscustomerdatatransmissionstodynamicallyburstovertheirCIRforshortperiodsoftime?ThecombinationofLMIstatusmessagesandInverseARPmessagesenablestheCIRtobeexceeded.ThephysicalcircuitsoftheFrameRelaynetworkaresharedbetweensubscribersandtheremaybetimeswhenunusedbandwidthisavailable.Burstingisenabledbytheconfigurationofmultiplesubinterfacesononephysicalinterface.BECNandFECNmessagesnotifytherouterthattheCIRcanbeexceeded.17Whichbroadbandtechnologywouldbebestforasmallofficethatrequiresfastupstreamconnections?DSLfiber-to-the-homecableWiMax18Whichbroadbandsolutionisappropriateforahomeuserwhoneedsawiredconnectionnotlimitedbydistance?cableDSLWiMaxADSL19WhatistheprotocolthatprovidesISPstheabilitytosendPPPframesoverDSLnetworks?PPPoECHAPADSLLTE20WhichtechnologyrequirestheuseofPPPoEtoprovidePPPconnectionstocustomers?dialupanalogmodemdialupISDNmodemDSLT121Whyisitusefultocategorizenetworksbysi