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更多“Which three mechanisims support the forwarding plane of a Layer 3 VPN in JUNOS software? () ”相关问题
  • 第1题:

    WhichheaderorsetofheadersdoesCRTPcompress?()

    A.Layer2

    B.Layer3

    C.Layer4

    D.Layer2andLayer3

    E.Layer3andLayer4


    参考答案:E

  • 第2题:

    WhenyoudesignQoSonCEforanMPLSLayer2VPN,whichthreethingsshouldbeconsidered?()

    A.Layer2accesslinkQoSdesign

    B.enterprise-to-service-providermappingmodels

    C.Layer3linkaccessQoSdesign

    D.serviceproviderservicelevelagreements

    E.Layer2linkaccessloadbalancing


    参考答案:A, B, D

  • 第3题:

    WhicharethreeadvantagesofPPPoAimplementation?()

    A.NAPandNSPprovidesecureaccesstocorporategatewayswithoutmanagingend-to-endPVCs.NAPandNSPuseLayer3routing,Layer2Forwarding,orLayer2TunnelingProtocoltunnels.Hence,theycanscaletheirbusinessmodelsforsellingwholesaleservice

    B.TheNSPcanoversubscribebydeployingidleandsessiontimeoutsusinganindustrystandard RADIUSserverforeachsubscriber

    C.OnlyasinglesessionperCPEononevirtualchannel (VC).Theusernameandpasswordare configuredontheCPE,soallusersbehindtheCPEforthatparticularVCcanaccessonlyonesetofservices.Userscannotselectdifferentsetsofservices,althoughusingmultipleVCsandestablishing differentPPPsessionondifferentVCsispossible

    D.IfasingleIPaddressisprovidedtotheCPE,andNATorPATisimplemented,certain applications suchasIPTV,whichembedIPinformationinthepayload,wellnotwork.Additionally,ifanIP subnet featureisused,anIPaddressalsohastobereservedfortheCPE

    E.PPPoAcanusethefeaturesontheCiscoServiceSelectionGateway(SSG)


    参考答案:A, B, E

  • 第4题:

    Acknowldgement, Sequencing, and Flow control are characteristics of which OSI layer?()

    A. Layer 2

    B. Layer 3

    C. Layer 4

    D. Layer 5

    E. Layer 6

    F. Layer 7


    参考答案:C

  • 第5题:

    TheOSPFRFC3623GracefulRestartfeatureallowsyoutoconfigureIETFNSFinultivendornetworks.WhenusingOSPFGracefulRestart,whichmechanismisusedtocontinueforwardingpacketsduringaswitchover?()

    A.ReversePathForwarding

    B.Hardware-basedforwarding

    C.UDPforwarding

    D.Layer2Forwarding


    参考答案:B

  • 第6题:

    Acknowledgements,sequencing,andflowcontrolarecharacteristicsofwhichOSIlayer?()

    A.Layer2

    B.Layer3

    C.Layer4

    D.Layer5

    E.Layer6

    F.Layer7


    参考答案:C