CCNP&CCIE Security SCOR思科认证网络工程师题库6.docx

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1、CCNP/CCIESecuritySCOR题库6QUESTION1DRAGDROPDraganddroptheOSsfromtheleftontothecorrectdescriptionsontheright.SelectandPlace:CorrectAnswerSection:ArchitectureExplanationExpIanationZReference:Reference:QUESTION2PElP2P3PE4Refertotheexhibit.P3andPE4areattheedgeoftheserviceprovidercoreandserveasABRrouters.A

2、ggregationareasareoneithersideofthecore.Whichstatementaboutthearchitectureistrue?A. TosupportseamlessMPLS1theBGProutereflectorfeaturemustbedisabled.B. IfeachareaisrunningitsownIGP1BGPmustprovideanend-to-endMPLSLSP.C. IfeachareaisrunningitsownIGP1theABRroutersmustredistributetheIGProutingtableintoBGP

3、.D. TosupportseamlessMPLS1TDPmustbeusedasthelabelprotocol.CorrectAnswerBSection:ArchitectureExplanationExpIanationZReference:Reference:12/configuration_guide/mpls/b_1612_mpls_9600_cg/configuring_seamless_mpls.htmlQUESTION3WhichcomponentissimilartoanEVPNinstance?A. routerdistinguisherB. MPLSlabelC. I

4、GProuterIDD. VRFCorrectAnswer:DSection:ArchitectureExplanationExpIanationZReference:QUESTION4WhydoCiscoMPLSTEtunnelsrequirealink-stateroutingprotocol?A. Thelink-statedatabaseprovidessegmentationbyarea,whichimprovesthepath-selectionprocess.B. Thelink-statedatabaseprovidesadatarepositoryfromwhichthetu

5、nnelendpointscandynamicallyselectasourceID.C. 1.ink-stateroutingprotocolsuseSPFcalculationsthatthetunnelendpointsleveragetoimplementthetunnel.D. Thetunnelendpointsusethelink-statedatabasetoevaluatetheentiretopologyanddeterminethebestpath.CorrectAnswerDSection:ArchitectureExplanationExpIanationZRefer

6、ence:QUESTION5R1R3AS65512AS65514Refertotheexhibit.BGPsecisimplementedonRl1R2,R3,andR4.BGPpeeringisestablishedbetweenneighboringautonomoussystems.Whichstatementaboutimplementationistrue?A. BGPupdatesfromtheiBGPpeersareappendedwithacommunityoflocal-as.B. BGPupdatesfromtheallBGPpeersareappendedwithacom

7、munityofno-export.C. BGPupdatesfromtheeBGPpeersareappendedwithanadditionalASpathvaluethatisstaticallysetbythedomainadministrator.D. BGPupdatesfromtheeBGPpeersareappendedwithaBGPsecattributesequencethatincludesapublickeyhashanddigitalsignature.CorrectAnswer:DSection:ArchitectureExplanationExpIanation

8、ZReference:QUESTION6YouareconfiguringMPLStraffic-engineeringtunnelsinthecore.Whichtwowaysexistforthetunnelpathacrossthecore?(Choosetwo.)A. ThedynamicpathoptionissupportedonlywithIS-IS.B. Tunnelscanbeconfiguredwithdynamicpathorexplicitlydefinedpath.C. Azerobandwidthtunnelisnotavalidoption.D. hebandwi

9、dthstatementcreatesauhard,reservationonthelink.E. TunnellinksinheritIGPmetricsbydefaultunlessoverridden.CorrectAnswerBESection:ArchitectureExplanationExpIanationZReference:QUESTION7WhichconfigurationmodedoyouusetoapplythemplsIdpgraceful-restartcommandinIOSXESoftware?A. MPLSLDPneighborB. interfaceC.

10、MPLSD. globalCorrectAnswerDSection:ArchitectureExplanationExpIanationZReference:Reference:QUESTION8Afteryouanalyzeyournetworkenvironment,youdecidetoimplementafullseparationmodelforInternetaccessandMPLSL3VPNservices.Forwhichreasondoyoumakethisdecision?A. ItenablesEGPandIGPtooperateindependently.B. It

11、enablesyoutochoosewhethertoseparateorcentralizeeachindividualservice.C. Itiseasiertomanageasysteminwhichservicesaremixed.D. Itrequiresonlyoneedgerouter.CorrectAnswer:ASection:ArchitectureExplanationExpIanationZReference:QUESTION9WhichstatementabouttheCiscoMPLSTEforwardingadjacencyfeatureistrue?A. It

12、enablestheMPLScoretouse日GRPastheroutingprotocol.B. ItenablestheCiscoMPLSTEtunneltobeadvertisedintotherunningIGP.C. Itenablesthetailendroutertoadvertiseroutestotheheadendrouteroverthetunnel.D. Itenablestheheadendandtailendrouterstoestablishabidirectionaltunnel.CorrectAnswer:BSection:ArchitectureExpla

13、nationExpIanationZReference:Reference:https:WWW.cisco.Comcenustddocsios-XmI/ios/mptepathsetup/configuration/xe-16/mptepathsetupxe16book/mplstrafficengineering-forwarding-adjacency.pdfWhileimplementingTTLsecurity,youissuethePE(config-router-af)#neighbor2.2.2.2ttl-securityhops2command.Afteryouissuethi

14、scommand,whichBGPpacketsdoesthePEaccept?A. to2.2.2.2,withaTTLof2ormoreB. from2.2.2.2,withaTTLoflessthan2C. to2.2.2.2twithaTTLoflessthan253D. from2.2.2.2,withaTTLof253ormoreCorrectAnswerDSection:ArchitectureExplanationExpIanationZReference:Reference:https:/www.cisco.eom/c/en/us/td/docs/ios/12_2sx/feature/guide/fsxebtsh.html#wpl059215QUESTION11ipflow-exportdestination192.168.1.2ipflow-exportversion9interfacegigabitethernet1ipflowingressRefertotheexhibits.Whichinformationisprovidedfortracebackanalysiswhenthisc