2024年计算机考试-juniper认证笔试参考题库含答案

“人人文库”水印下载源文件后可一键去除，请放心下载！（图片大小可任意调节）2024年计算机考试-juniper认证笔试参考题库含答案“人人文库”水印下载源文件后可一键去除，请放心下载！第1卷一.参考题库(共75题)1.AnIPv6hostisconfiguredtorequestaspecificpaththroughthenetworktoreachadestination.WhichIPv6extensionheadershouldbeused?（）A、RoutingB、Hop-by-HopC、FragmentationD、DestinationOptions2.WhatisthedefaultQualityofServicetrafficclassusedbytheERXEdgeRouter?（）A、bronzeforwardingB、assuredforwardingC、expeditedforwardingD、besteffortforwarding3.Which two forwarding classes have bandwidth assigned when CoS is not explicitly configured in JUNOS software？（）A、Best effort（BE）B、Network control（NC）C、Assured forwarding（AF）D、Expedited forwarding（EF）4.WhichCLIcommanddisplaystheIS-ISlevelusedbyeachinterface?（）A、showclnsneighborB、showisisneighborC、showclnsinterfaceD、showisisinterface5.Whataretwopurposesofaforwardingclass?（）A、toidentifytrafficthatshouldbedroppedB、toclassifytrafficC、toidentifytrafficthatshouldreceivecommontreatmentD、toassigntraffictooutputqueues6.Whichstatementdescribesanadvantageofdynamicrouting?（）A、Dynamicroutingistypicallymorescalablewhencomparedtostaticrouting.B、Unlikestaticrouting,dynamicroutingrequiresnoinitialuserconfiguration.C、Unlikestaticrouting,dynamicroutingprovidesredundantIPaddressesforend-userdevices.D、DynamicroutingprovidesDNSservicesalongwithIPconnectivity,whereasstaticroutingdoesnot.7.Youhaveafirewallenforcerprotectingresourcesinadatacenter.Auserisexperiencingdifficultyconnectingtoaprotectedresource.Whichtwoelementsmustexistsotheusercanaccesstheresource?（）A、ResourceaccesspolicyontheMAGSeriesdeviceB、IPsecroutingpolicyontheMAGSeriesdeviceC、GeneraltrafficpolicyblockingaccessthroughthefirewallenforcerD、Authtableentryonthefirewallenforcer8.Which two statements about the use of SCREEN options are correct？（）A、SCREEN options are deployed at the ingress and egress sides of a packet flow.B、Although SCREEN options are very useful， their use can result in more session creation.C、SCREEN options offer protection against various attacks at the ingress zone of a packet flow.D、SCREEN options examine traffic prior to policy processing， thereby resulting in fewer resouces used formalicious packet processing.9.Which statement describes the behavior of a security policy？（）A、The implicit default security policy permits all traffic.B、Traffic destined to the device itself always requires a security policy.C、Traffic destined to the device’s incoming interface does not require a security policy.D、The factory-default configuration permits all traffic from all interfaces.10.Which action occurs when the BGP route /16 is evaluated by the policy expression？（） [editpolicy-options]  policy-statementmy-filter {  term-first{  from{  route-filter/16orlongeraccept；  route-filter /24 exact accept；  route-filter /24 exact；  }  then{  metric10；  accept；  }  termsecond {  then{  metric20；  accept；  }}  policy-statementmain {  termchange-attributes  from{  policymy-filter；  }  thenaccept；  }  termdefault {  thenreject；  }}  [editprotocols]  bgp{  exportmain；  }A、The route is not advertised into BGPB、The route is advertised into BGP with metric 10.C、The route is advertised into BGP with metric 20.D、The route is advertised into BGP with default metric.11.WheredoesLayer2de-encapsulationoccurontheERXEdgeRouter？（）A、ontheSRPB、ontheI/OadapterC、ontheegresslinemoduleD、ontheingresslinemodule12.Bydefaultifequal-costpathsexistsforthesamedestination,whichactionwilltheroutertake?（）A、DrophalfthetrafficB、MakeacopyofthetrafficandsendittobothtestinationsC、Load-balancetrafficbetweentheavailablepathsD、Randomlyselectoneoftheavailablepathstosendtraffic13.Which two statements are true regarding proxy ARP？（）A、Proxy ARP is enabled by default.B、Proxy ARP is not enabled by default.C、JUNOS security devices can forward ARP requests to a remote device when proxy ARP is enabled.D、JUNOS security devices can reply to ARP requests intended for a remote device when proxy ARP isenabled14.WhichconfigurationcommandpreventsaclientfromestablishingmultiplePPPoEconnectionsfromasingleworkstation?（）A、sessionsB、sa-validateC、split-horizonD、duplicate-protection15.Whatinformationdoesthehelpreferencecommandprovide?（）A、abriefdescriptionofcommandsandtheirdefaultvaluesB、theserialnumberandversionnumberofthedeviceusedtoopenasupportcasewithJTACC、alistofalltheactivehardwarealarmsonthedeviceD、adisplayofthecurrentconfigurationwhileinoperationalmode16.WhatisamethodbywhichanIPinterfacecanbeassignedtoavirtualrouterinaPPPoverATMenvironment？（）A、profileB、policylistC、classifierACLD、LCPnegotiation17.WhichstatementistrueaboutroutingtablesonaJunosdevice?（）A、Theypurgeanyroutesnotselectedasactiveroutes.B、Theyexistintwoplaces:theRoutingEngineandthePacketForwardingEngine.C、Theyareexclusivelydesignedtohandledynamicroutingprotocols.D、Theypopulatetheforwardingtable.18.YouwanttolimitthenumberofType7LSAstobeconvertedintoType5LSAsatanappropriateABR.Whichtwocommandsshouldyouusefromthe[edit]hierarchylevelwithinJUNOSconfigurationmode?（）A、setprotocolsospfarea-rangenetwork/mask-lengthB、setprotocolsospfareaarea-idnssaarea-rangenetwork/mask-lengthC、setprotocolsospfareaarea-idarea-rangenetwork/mask-lengthrestrictD、setprotocolsospfareaarea-idnssaarea-rangenetwork/mask-lengthrestrict19.Given the following LSP configuration， which statement is true？（） label-switched-pathlsp-xyz {  to 10.2000.1.1；  primarypath1；  secondarypath2；  secondarypath3；  no-cspf；  }  pathpath1 {   strict；  }  pathpath2 {   strict；  }  pathpath3 {  loose  }A、The router will use path1 when it is available and stable.B、The router will use path3 when it is available and stable.C、The router will attempt to establish path2 only when path1 and path3 are down.D、The router will attempt to establish path1 only when path2 and path3 are down.20.WhataretwousecasesenabledbyIF-MAPFederation?（）A、UsersauthenticatedtooneJunosPulseAccessControlServicecantransparentlyaccessresourcesprotectedbyanotherJunosPulseAccessControlService.B、UsersauthenticatedtoaJunosPulseAccessControlServicecantransparentlyaccessresourcesprotectedbyaJunosPulseSecureAccessService.C、RemoteaccessusersauthenticatedtoaJunosPulseSecureAccessServicecantransparentlyaccessresourcesprotectedbyaJunosPulseAccessControlService.D、RemoteaccessusersauthenticatedtooneJunosPulseSecureAccessServicecantransparentlyaccessresourcesprotectedbyanotherJunosPulseSecureAccessService.21.Which CLI command is used to set a Privileged Exec password of mypassword？（）A、 enable password 0 mypasswordB、 enable password 3 mypasswordC、 enable password 5 mypasswordD、 enable password 10 mypassword22.Whichtwomediatypessupportasynchronoustransfermode?（）A、T3B、SONETC、Gigabit-EthernetD、EIA/TIA-232serial23.You are implementing an IDP policy template from Juniper Networks. Which three steps are included in thisprocess？（）A、activating a JUNOS Software commit scriptB、configuring an IDP groups statementC、setting up a chassis clusterD、downloading the IDP policy templatesE、installing the policy templates24.Whichtwostatementsaretrueofanetworkmask?（）A、AsubnetmaskspecifiestheportionofanIPaddressthatisinabinaryformat.B、AsubnetmaskspecifiestheportionofanIPaddressthatisinadecimalformat.C、AsubnetmaskspecifiestheportionofanIPaddressthatrepresentsanetworkprefix.D、AsubnetmaskspecifiestheportionofanIPaddressthatrepresentsnetworkhosts.25.Whensupportingmultipleauthenticationdomains,thedomainmapmustbeconfiguredwithwhichtwooptions?（）A、hostnameB、staticrouteC、virtualrouterD、loopbackreference26.YouhaveconfiguredtheOdysseyAccessClientwithaprofilewhichhasthe"DisableServerVerification"settingcleared.WhatwillbetheresultifthedevicecertificateontheMAGSeriesdevicehasexpiredandtheuserattemptstoauthenticate?（）A、Theuserwillbeinstructedtocallthenetworkadministrator.B、Theuserwillfailauthentication.C、TheuserwillbepromptedtoinstallanewdevicecertificateontheMAGSeriesdevice.D、Theuserwillsuccessfullyauthenticateandhavefullnetworkaccess.27.Youhavebeenallocateda/22network.Howmanyusablehostareavailable?（）A、510B、512C、1022D、102428.Whatdoesthecommandshowcomparerollback1display?（）A、thedifferencebetweenthecurrentcandidateconfigurationandthecandidateconfigurationfromonecommitagoB、thedifferencebetweenthecurrentactiveconfigurationandthecurrentcandidateconfigurationC、thedifferencebetweenthecurrentactiveconfigurationandtheactiveconfigurationfromonecommitagoD、thedifferencebetweenthecurrentcandidateconfigurationandthearchivedconfigurationfromonecommitago29.In the configuration shown in the exhibit， you decided to eliminate the junos-ftp applicationfrom the match condition of the policy MyTraffic. [edit security policies] user@hostl# show from-zone Private to-zone External { policy MyTraffic { match { source-address myHosts； destination-address ExtServers； application [ junos-ftp junos-bgp ]； } then { permit { tunnel { ipsec-vpn vpnTunnel； } } } } } policy-rematch； What will happen to the existing FTP and BGP sessions？（）A、The existing FTP and BGP sessions will continue.B、The existing FTP and BGP sessions will be re-evaluated and only FTP sessions will be dropped.C、The existing FTP and BGP sessions will be re-evaluated and all sessions will be dropped.D、The existing FTP sessions will continue and only the existing BGP sessions will be dropped.30.WhichtwosignalingprotocolscouldbeusedinVPLStoadvertisesiteinformationbetweenPEs?（）A、IKEB、BGPC、RSVPD、LDP31.WhichJ-Webtabdoyouusetoaddlicencestothedevice?（）A、"Configure"B、"Troubleshoot"C、"Monitor"D、"Maintain"32.WhatisthefunctionperformedbyLSAType1?（）A、Createvirtuallinks.B、Advertiseexternalprefixes.C、Summarizeroutesbetweenareas.D、Advertisearouter'sinterfacesandmetrics.33.In JUNOS software， which type of encapsulation is required on a PE router for the CE-facing interface in a Martini-based VPN？（）A、ATMB、CCCC、HDLCD、Ethernet34.When comparing CPE and provider-provisioned VPNs （PPVPN）， which two statements are true？（）A、CPE VPN’s require dedicated VPN aware hardware at customer site， PPVPN does not.B、PPVPN’s require dedicated VPN aware hardware at customer site， CPE VPN’s does not.C、CPE VPN’s scale better than PPVPN’s as they do not require a per site configuration on the CPED、PPVPN’s scale better than CPE VPN’s as they do not require a per site configuration on the CPE35.WhichCLIcommandisusedtodisplaytheIPaddressassignedtoDynamicSubscriberInterfaceandrelatedhardwareaddressusingtheDHCPRelayProxyfunction?（）A、showipdhcpexternalB、showdhcpbindingrelay-proxyC、showipdhcpbindingrelay-proxyD、showdhcprelayproxybinding36.YouneedtocontrolSSH,HTTP,andTelnetaccesstoanMX240routerthroughanyinterface.Youhavedecidedtouseafirewallfilter.Howshouldyouapplythefirewallfilter?（）A、asanoutboundfilteroninterfacefxp0B、asanoutboundfilteroninterfacelo0C、asaninboundfilteroninterfacefxp0D、asaninboundfilteroninterfacelo037.AcustomerwantstocreateacustomJunosPulseconfiguration.Whichtwoarerequired?（）A、ConnectionsetB、ConfigurationsetC、CustominstallerD、Componentset38.Whichstatementistrueabouttheforwardingtable?（）A、Theforwardingtableisstoredinthecontrolplaneonly.B、Theforwardingtableisstoredinthecontrolplaneandintheforwardingplane.C、Theforwardingtablecontainsbothactiveandinactiveroutes.D、Theforwardingtablecancontainonlyasinglenexthopperdestination.39.Which two functions of JUNOS Software are handled by the data plane？（）A、NATB、OSPFC、SNMPD、SCREEN options40.WhichtwomulticastgroupssupportAuto-RPmappinganddiscovery?（）A、9B、9C、0D、041.WhichtwofeaturesprotecttheERXEdgeRouterfromdenial-of-serviceattacks?（）(Choosetwo.)A、ratelimitingofICMPB、RADIUSauthorizationsC、sourceaddressvalidationD、statefulfirewallontherouter42.Which statement is true about the internal link between the Routing Engine and the Packet-Forwarding Engine？（）A、It is only used for exception traffic.B、It is an FE link called fxp2.C、It is rate-limited to avoid DDOS attacks.D、It is only used to send the forwarding-table from the Routing Engine to the Packet-Forwarding Engine.43.Whatisthedecimalequivalentof00000110?（）A、2B、4C、6D、1144.Which statement describes the behavior of source NAT with address shifting？（）A、Source NAT with address shifting translates both the source IP address and the source port of a packet.B、Source NAT with address shifting defines a one-to-one mapping from an original source IP address to atranslated source IP address.C、Source NAT with address shifting can translate multiple source IP addresses to the same translated IPaddress.D、Source NAT with address shifting allows inbound connections to be initiated to the static source pool IPaddresses.45.Whatarethreefirewallfilterterminatingactions?（）A、acceptB、logC、rejectD、discardE、drop46.AnIPsectunnelisestablishedonanSRXSeriesGatewayonaninterfacewhoseIPaddresswasobtainedusingDHCP.Whichtwostatementsaretrue?（）(Choosetwo.)A、OnlymainmodecanbeusedforIKEnegotiationB、Alocal-identitymustbedefinedC、ItmustbetheinitiatorforIKED、Aremote-identitymustbedefined47.Which default JUNOS software routing table contains IPv6 unicast routes？（）A、inet.6B、ipv6.0C、inet.0D、inet6.048.WhatarethreewaystocollectthediagnosticsfileswhenworkingwithJuniperNetworksTechnicalAssistanceCenter?（）(Choosethree.)A、Runthediag.exeCLIcommand.B、InWebView,gotoMonitor>Traffic>Export.C、InWebView,gotoAdmin>Tools>ExportData.D、InWebView,totoMonitor>Export>ExportLogs.E、InWebView,gotoAdmin>Tools>DiagnosticFile.49.Auserlogsinandismappedtotworoles.Thefirstrolehasamaximumtimeoutvalueof600minutesandthedefaultJuniperNetworkslogoontheuserinterfacepage.Thesecondrolehasamaximumtimeoutvalueof1200minutesandacustomlogoontheuserinterfacepage. Basedonthemergingofthesetworoles,whichtwowillbeapplied?（）A、AcustomlogoontheuserinterfacepageB、Amaximumtimeoutvalueof600minutesC、Amaximumtimeoutvalueof1200minutesD、AdefaultJuniperNetworkslogoontheuserinterfacepage50.Which two configurations are valid？（） A、AB、BC、CD、D51.Whichthreefunctionsareavailableunderthe"Maintain"tabofJ-Web?（）A、downloadanddeletelogfilesB、viewreal-timestatisticsofinterfacesC、rebootthesystemD、viewandaddlicensesE、editsecuritysettings52.AusersignsintotheJunosPulseAccessControlServiceonawirednetwork.Theuserthenmigratestoawirelessnetwork,receivesanewIPaddress,andnoticesthatthesessionisdisconnected.IntheadminGUI,whatmustbeconfiguredfortheusertostayconnectedwhenmigratingfromawiredtoawirelessnetwork?（）A、PersistentsessionB、DynamicevaluationC、RoamingsessionD、Browserrequestfollow-through53.WhatdoestheSRPdistributetothelinemoduleswhenaroutingtablechanges？（）A、updatedRIB-OutB、link-stateinformationC、anincrementalupdateD、thecompleteroutingtable54.Whataretworeasonswhyaroutemightbehidden?（）A、routepreferenceB、routingloopC、invalidnexthopD、routingpolicy55.WhichprocessoccursfirstduringtheEthernetDiscoveryStageprocessforaPPPoEserviceoffering?（）A、TheERXroutersendsanActiveDiscoveryOffermessage.B、TheERXroutersendsanActiveDiscoveryInitiationmessage.C、ThecustomerdevicesendsanActiveDiscoveryOffermessage.D、ThecustomerdevicesendsanActiveDiscoveryInitiationmessage.56.Bydefault,anL1/L2IS-ISrouteradvertiseswhatremotearearoutesintoaLevel1area?（）A、onlysummarizedroutesB、allroutesinthenetworkC、allroutesinthebackboneD、Noroutesareadvertised.57.AnetworkadministratorhasconfiguredsourceNAT,translatingtoanaddressthatisonalocallyconnectedsubnet.Theadministratorseesthetranslationworking,buttrafficdoesnotappeartocomeback. Whatiscausingtheproblem?（）A、Thehostneedstoopenthetelnetport.B、Thehostneedsarouteforthetranslatedaddress.C、Theadministratormustuseaproxy-arppolicyforthetranslatedaddress.D、Theadministratormustuseasecuritypolicy,whichwillallowcommunicationbetweenthezones.58.InwhichroutingtablewouldyoufindanOSPFV2route?（）A、ipv4-unicastB、inet.0C、inet.4D、inet.ipv459.Which of the following attributes allows a VRF to accept VPN routes from another VRF？ （）A、 route listB、 route originC、 route targetD、 toute distinguisher60.ClicktheExhibitbutton. Intheexhibit,whichstatementiscorrect?（）A、Threephysicalinterfacesareredundant.B、YoumustdefineanadditionalRedundancyGroup.C、node0willimmediatelybecomeprimaryinthecluster.D、Youmustissueanoperationalcommandandrebootthesystemfortheaboveconfigurationtotakeeffect.61.WhichtwodesigngoalsdescribetheJunosOSdesign?（）A、cleanseparationofsecurityandroutingpoliciesB、cleanseparationofcontrolandforwardingplanesC、modularizationofmultiplesoftwareprocessesD、asinglehardwareplatformforallsoftwareapplications62.Whichtwostatementsaretrueofanetworkmask?（）A、AsubnetmaskspecifiestheportionofanIPaddressthatisinabinaryformatB、AsubnetmaskspecifiestheportionofanIPaddressthatisinadecimalformatC、AsubnetmaskspecifiestheportionofanIPaddressthatrepresentsanetworkprefixD、AsubnetmaskspecifiestheportionofanIPaddressthatrepresetnsnetworkhosts63.Whichtwoprefixeswouldsummarizethenetworksshownbelow?（） A、/23B、/22C、/24D、/2164.What is shown by thecommand show interfaces extensive fe-0/0/0 but not shown by the command show interface detail fe-0/0/0？（）A、input error counterB、interface MTU sizeC、input packets counterD、the IP address on logical interface fe-0/0/0.065.WhichthreeNLRIscanMBGPcarry?（）A、LDProutesB、IPv6routesC、RSVProutesD、Layer2VPNroutesE、Layer3VPNroutes66.Youhaveconfiguredafirewallfilterwithasingletermmatchingonpacketswithasourceaddressinthe/24subnet.Thistermonlyincludesthecountaction.Whichtwostatementsaretrueabouttrafficevaluatedbythisfirewallfilter?（）A、Packetsoutsidethe/24subnetwillbeaccepted.B、Packetsoutsidethe/24subnetwillberejected.C、Packetsoutsidethe/24subnetwillbecounted.D、Packetsoutsidethe/24subnetwillnotbecounted.67.Whichtwostatementsaretruewhenconfiguringadomain-id?（）A、ThedefaultOSPFdomain-idis.B、Inmostcases,adomain-idmustbeconfigured.C、Inmostcases,youdonotneedtoconfigureadomain-id.D、Foralayer3VPNconnectingmultipleOSPFdomains,configuringadomain-idcanhelpcontrolLSAtranslations.68.InJUNOSsoftware,whichtypeofencapsulationisrequiredonaPErouterfortheCE-facinginterfaceinaMartini-basedVPN?（）A、ATMB、CCCC、HDLCD、Ethernet69.WhichtwoauthenticationprotocolscanbeconfiguredforRIPonanERXEdgeRouter?（） A、AB、BC、CD、D70.ClicktheExhibitbutton. Intheexhibit,whatisthepurposeofthisOSPFconfiguration?（） A、TheroutersendsthefiledebugOSPF(containinghellossentandLSAupdates)tothesyslogserver.B、TheroutertracesbothOSPFhellossentandLSAupdates,andstorestheresultsinthedebugOSPFfile.C、TheroutertracesbothOSPFhellossentandLSAupdates,andsendstheresultstothesyslogprocesswiththedebugOSPFfacility.D、TheroutertracesallOSPFoperations,storestheresultsinthedebugOSPFfile,andmarksbothhellossentandLSAupdatesinthefilewithaspecialflag.71.WhichwordstartsacommandtodisplaytheoperationalstatusofaJunosdevice?（）A、putB、setC、showD、get72.Which two parameters are configured in IPsec policy？（）A、modeB、IKE gatewayC、security proposalD、Perfect Forward Secrecy73.Whichcommandisusedtoexecuteamacrocalledsetup.mac?（） A、AB、BC、CD、D74.Howdoyouwritethecurrentcandidateconfigurationtothepermanentstoragemedia?（）A、[edit]

user@router#save/var/tmp/current.confB、[edit]

user@router#write/var/tmp/current.confC、[edit]

user@router#commit/var/tmp/current.confD、[edit]

user@router#dump/var/tmp/current.conf75.Which two statements about IS reachability TLV （TLV 2） and the extended IS reachability （TLV 22） are true？（）A、TLV 22 supports wide metrics.B、TLV 2 is only used in Level 1 routers.C、TLV 22 displays the neighbor’s extended areas.D、Only TLV 22 can support the inclusion of sub-TLVs.E、 Only TLV 22 can be flooded across L1/L2 boundaries.第2卷一.参考题库(共75题)1.WhataretwostepstoconfigureuserauthenticationforaJunosPulseAccessControlService?（）A、Configureanauthenticationpolicyaspartoftheuserroledefinitions.B、ConfigureaSign-inPolicy.C、ConfigureauthenticationagentsaspartoftheuserroledefinitionsD、Configureanauthenticationpolicyaspartoftheauthenticationrealmdefinition.2.Referingtotheexhibit,whichstatementiscorrect?（） A、Thepacketshaveexceededthetime-to-livevalueB、ThereisaloopC、TheasterisksindicatearesponsetimeoutD、Theasteriskindicatethatthetracerouteiscompleted3.InaRouted1483network,aproviderdoesn'twanttoconfigurestaticroutesforitscustomernetworks. WhichcommandallowstheERXtoobtaintheframedroutestoredontheRADIUSserver?（）A、radiusaccountingserver5B、aaadomain-mapdynamic1483defaultloopback0C、subscriberipusercustomer1domainpasswordabcdeD、atmpvc99099aal5autoconfigsubscriberpasswordabcde4.YouwanttoconfigureasingleEBGPpeeringsessionoverparallelphysicalcircuits. WhichBGPfeatureenablesloadbalancinginthisscenario?（）A、multihopBGPB、multicastBGPC、routereflectionD、multiprotocolBGP5.Whichtwostatementsaretrueabouttherescueconfigurationfile?（）A、ItmustincludearootpasswordB、Itisrollbackfilenumber50,andyoucanrecoveritbyissuingrollback50C、ItiscreatedbyissuingrequestsystemconfigurationrescuesaveD、Itisupdatedautomaticallywhenyoucommit6.WhichtwoJunosplatformsprovidestatefulfirewallfunctionality?（）A、MXSeriesB、EXSeriesC、SRXSeriesD、QFXSeries7.Whichtwomethodsareusedtoassignaroute-distinguisherinaKompellaLayer2VPN?（）A、byassigningtheRDundertherouting-instancesB、byassigningtheRDunderprotocolsbgpC、byassigningtheRDunderrouting-optionsD、byassingtheRDunderpolicy-options8.AnERXEdgeRouterisoperatinginanMPLSnetworkusinginterfacelabelspace.Whatisusedtomakeaforwardingdecision?（）A、EXPbitsB、VPI/VCIC、shimheaderD、SNAPheader9.WhichinterfacetunnelparameterallowsanLSPtouseaspecifiedexplicitroute?（）A、path-optionB、route-optionC、explicit-path-optionD、explicit-route-option10.Whichtwostatementsaretrueabouttherescueconfigurationfile?（）A、Itmustincludearootpassword.B、Itisrollbackfilenumber50,andyoucanrecoveritbyissuingrollback50.C、Itiscreatedbyissuingrequestsystemconfigurationrescuesave.D、Itisupdatedautomaticallywhenyoucommit.11.WhatarethreeTLVsthatsupportIS-ISextensionsfortrafficengineering?（）A、ExtendedISreachabilityB、ExtendedIPreachabilityC、TrafficengineeringopaqueD、TrafficengineeringrouterIDE、ExtendedMPLSreachability12.Which two statements describe the difference between JUNOS Software for securityplatforms and a traditional router？（）A、JUNOS Software for security platforms supports NAT and PAT； a traditional router does not supportNAT or PAT.B、JUNOS Software for security platforms does not forward traffic by default； a traditional router forwardstraffic by default.C、JUNOS Software for security platforms uses session-based forwarding； a traditional