2024年計算機考試-juniper認證筆試考試歷年高頻考點試題摘選含答案

2024年計算機考試-juniper認證筆試考試歷年高頻考點試題摘選含答案第1卷一.參考題庫(共75題)1.ABridged1483serviceofferingisgroupingDSLusersintoalargesubnet.Whatarethreecharacteristicsofthisconfiguration？（）A、ItburnsIPaddresses.B、ItconservesIPaddresses.C、AgroupofPVCsisasubnet.D、ItprovidesanumberedIPaddresstotheERXE、ItprovidesanIPunnumberedaddresstoERX2.WhichJ-Webtabdoyouusetoaddlicensestothedevice?（）A、"Configure"B、"Troubleshoot"C、"Monitor"D、"Maintain"3.Whichtwomethodsareusedtoassignaroute-distinguisherinaKompellaLayer2VPN?（）A、byassigningtheRDundertherouting-instancesB、byassigningtheRDunderprotocolsbgpC、byassigningtheRDunderrouting-optionsD、byassingtheRDunderpolicy-options4.Youissuethepinginterfacet1-1/1/0bypass-routingcount1000rapidcommand.Whichstatementiscorrect?（）A、Thecountparametercreatesacounterthatyoucanviewwiththeshowfirewallcommand.B、Thecountparameterallowstheroutertocountthenumberofpingsforloggingpurposes.C、Thecountparameterallowstheroutertopausefor1000secondsbeforesendingoutaping.D、Thecountparameterallowstheroutertosendout1000pingsandthenstop.5.WhichCLIcommanddoyouusetoblockMIMEcontentatthe[editsecurityutmfeature-profile]hierarchy?（）A、setcontent-filteringprofilepermit-commandblock-mimeB、setcontent-filteringprofileblock-mimeC、setcontent-filteringblock-content-typeblock-mimeD、setcontent-filteringnotificationsblock-mime6.Anewsoftwareengineerhasbeenhired.Aspartofthenormalhiringprocess,theuserwasaddedtotheActiveDirectoryandplacedintotheDomainUsersgroupandtheSW_DEVgroup.TheDomainUsersgrouphasaccesstothecompany'sintranetwebsiteandtimecardsystem.TheSW_DEVgrouphasaccesstothesourcecodelibraryserver.YouhavecreatedrolesthatcorrespondtoeachActiveDirectorygroup.Theusercallsthehelpdeskstatingthattheycannotaccessthesourcecodelibraryserver. WhichtwotroubleshootingtoolswouldyouuseontheJunosPulseAccessControlServicetoresolvetheissue?（）A、Performapolicytraceforthespecificuserandreviewtheoutputtoisolatetheproblem.B、ReviewtheEventslog.C、ReviewtheAdminAccesslogtoverifythattheuserhasthecorrectpermissionstoaccesstheSVVJDEVresource.D、ReviewtheUserAccesslogtoverifythattheuserisgettingmappedtoboththeDomainUserroleandtheSW_DEVrole.7.Whatistheadministrativescopingaddressrangeassociatedwithglobalscope?（）A、/24B、/10C、/14D、-558.In?IS-IS，?how?long?will?the?restart?helper?keep?the?restarting?router?in?the?up?state？（）A、The?hello?dead?timer?expires.B、The?restart?duration?timer?expires.C、The?restarting?router?sets?the?down?bit.D、The?restart?helper?sends?out?three?CSNPs.9.Whichcommanddoyouusetodisplaythemessagesseenduringthelastsystemboot?（）A、showsystemboot-messagesB、showchassismessagesC、showfilesystemboot-messagesD、showboot-logmessages10.WithintheL2TPLNSconfigurationoftherouter,whereisthePPPauthenticationmethodspecified?（）A、profileB、remotehostC、aaadomain-mapD、l2tpdestinationprofile11.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?isenabled12.YouhavereceivedadefaultroutethroughBGPfromyourISPandyouwanttoredistributeitintoOSPF.Whichmethodwillaccomplishthis?（）A、ApplyanexportpolicytoOSPFthatexportsthedefaultrouteB、ApplyanimportpolicytoOSPFthatimportsthedefaultrouteC、Applythedefault-networkcommandtoOSPFD、Applytheredistribute-igpcommandtoBGP13.ACandidateRPreceivesabootstrapmessagewithahigherprioritythanitsown.Whathappens?（）A、UsehighestIPaddressasBSR.B、Resetthebootstraptimerandcontinuetolisten.C、Forwardalltraffictothebootstrapmessageoriginator.D、DeclareselfasBSRandsendbootstrapmessagesevery60seconds.14.Whichthreeauthenticationresourcesaregroupedwithinanauthenticationrealm?（）A、AuthenticationenforcerB、DirectoryserverC、CaptiveauthenticationD、AuthenticationpolicyE、Role-mappingrules15.WhatisthedefaultprotocolpreferenceforOSPFinternalroutes?（）A、10B、15C、150D、16016.WhatisthemaximumnumberofinputpolicyliststhatyoucanattachtoanIPinterface？（）A、1B、2C、128D、51217.Whatarethreeterminatingactionsforfirewallfilters?（）A、rejectB、dropC、permitD、acceptE、discard18.Which?IDP?policy?action?closes?the?connection?and?sends?an?RST?packet?to?both?the?client?and?the?server？（）A、close-connectionB、terminate-connectionC、close-client-and-serverD、terminate-session19.Whichthreecommandswillcausealogicalinterfacetogoadministrativelydownafterbeingcommitted?（）A、shutdownB、deactivateC、disableD、downE、delete20.The?ERX?Edge?Router?responds?to?a?received?PPP?over?Ethernet?Active?Discovery?Initiation?（PADI）?with?which?message?type？（）A、PPPoE?Active?Discovery?OfferB、PPPoE?Active?Discovery?InitiationC、PPPoE?Active?Session?ConfirmationD、PPPoE?Active?Session?Acknowledgment21.WhatisthedefaultprotocolpreferenceforBGPEBGProutes?（）A、10B、100C、170D、17522.YouareconfiguringanLDAPauthenticationserver,andyouwanttoconfigurerole-mappingrulesbasedongroupmembership.Whenyouattempttosearchforgroupsintheservercatalog,nogroupsappear.AssumingtheLDAPserverisreachableandfunctioningproperly,intheadminGUI.Whichtwopartsoftheconfigurationshouldyouverifyarecorrect?（）A、FindinguserentriesB、AuthenticationrequiredC、LDAPServerTypeD、Determininggroupmembership23.WhichJunosPulseAccessControlServiceclientprovidesabuilt-inviewertoaccesslocallogs?（）A、OdysseyAccessClientB、JunosPulseC、JavaagentD、Agentlessaccess24.WhichtwomechanismscontrolroutedistributionbetweenPEroutersina2547bisVPN?（）A、siteidB、policiesC、circuitidD、extendedcommunities25.YouwouldliketoconfigureanATMPVCwithavirtualcircuitidentifierof33onvirtualpath0.ThePVCshoulduseanunspecifiedbitrateandbeencapsulatedintheAAL5SNAPformat. Whichcommandaccomplishesthisgoal?（）A、atmpvc0/33aal5snapB、atmpvc33033aal5snapC、atmpvc0/33aal5snapubrD、atmpvc33033aal5snapubr26.ForwhichBGPattributeisahighervaluepreferred?（）A、OriginB、CommunityC、LocalPreferenceD、ASPathlength27.Which?two?statements?regarding?system?logging?on?a?Juniper?enterprise?router?are?correct？（）A、The?system?log?has?a?proprietary?format.B、System?logs?must?be?sent?to?a?remote?device.C、New?system?logs?can?be?created?and?archived.D、Most?software?processes?create?their?own?logs.28.WhichtwostatementsaretrueregardinganEthernetcollisiondomain?（）A、Ifaswitchisused,thecollisiondomainislimitedtoeachdeviceandtheswitch.B、Ifahubisused,thecollisiondomainislimitedtoeachdeviceandthehub.C、Ifahubisused,thecollisiondomainincludesalldevicesconnectedtothehub.D、Ifaswitchisused,thecollisiondomainincludesalldevicesconnectedtotheswitch.29.Which?multicast?groups?support?Auto-RP?mapping?and?discovery？（）A、9B、9C、0D、030.WhichthreeBGPstatesareassociatedwithestablishingTCPconnectivity?（）(Choosethree.)A、IdleB、ActiveC、ConnectD、OpenSentE、Established31.WhatisthedefaultSNMPpermissionlevelonJunosdevices?（）A、readB、read-writeC、read-onlyD、write32.What?is?a?function?of?the?OSPF?Type?7?LSA？（）A、It?describes?the?reachability?of?routes?in?stub?areas.B、It?describes?the?reachability?of?routes?in?totally-stubby?areas.C、It?describes?the?reachability?of?routes?in?not-so-stubby?areas.D、It?describes?the?reachability?of?routes?in?partially-stubby?areas.33.Referingtotheexhibit,whichstatementiscorrect?（） A、Thepacketshaveexceededthetime-to-livevalueB、ThereisaloopC、TheasterisksindicatearesponsetimeoutD、Theasteriskindicatethatthetracerouteiscompleted34.WhenanSRXseriesdevicereceivesanESPpacket,whathappens?（）A、IfthedestinationaddressoftheouterIPheaderoftheESPpacketmatchestheIPaddressoftheingressinterface,itwillB、IfthedestinationIPaddressintheouterIPheaderofESPdoesnotmatchtheIPaddressoftheingressinterface,itwillC、IfthedestinationaddressoftheouterIPheaderoftheESPpacketmatchestheIPaddressoftheingressinterface,basedpacket.D、IfthedestinationaddressoftheouterIPheaderoftheESPpacketmatchestheIPaddressoftheingressinterface,basedofinnerheader,itwilldecryptthepacket.35.WhichcommandpromptsanERXEdgeRoutertogointoaloopbackmodeonT1number1whenacommandisreceivedfromaremoteERXEdgeRouter?（） A、AB、BC、CD、D36.Whatarethreetypesofroutinginstances?（）A、VPNB、virtual-routerC、policyD、VRFE、forwarding37.WhichtwocommandswouldyouusetoviewOSPFroutes?（）A、showiprouteospfB、showospfroutesC、showrouteprotocolospfD、showroute38.You?have?a?firewall?filter?containing?two?terms?applied?in?an?inbound?direction?on?a?customer?interface.?You?would?like?this?filter?to?protect?your?network?from?a?spoofed?denial?of?service?attack.?What?match?criterion?should?be?used?in?the?first?term?of?the?filter？（）A、Source?TCP?portB、Source?IP?addressC、Destination?TCP?portD、Destination?IP?address39.In?a?bridged?1483?network，?what?configuration?command?allows?the?ERX?Edge?Router?to?advertise?customer?networks?into?the?provider’s?IGP？?（）A、redistribute?directB、redistribute?staticC、redistribute?connectedD、redistribute?access-internal40.YouwouldliketoconfigureyourPC'sIP

addressof56asanFTPhostwithausernameofuserandapasswordofmypass.Whichconfigurationcommandaccomplishesthisgoal?（）A、hostuserpc56ftpusermypassB、hostuserpc56tftpusermypassC、hostnameuserpc56ftpusermypassD、hostnameuserpc56tftpusermypass41.Anetworkadministratorwantstoverifytheactivealarmsoninterfaceso-0/0/0.0.Whichcommanddisplaysthisinformation?（）A、showinterfacesalarmsB、showinterfacesterseC、showalarmsextensiveD、showinterfacesextensive42.WhichtwostepsarerequiredforaKompellaLayer2VPN?（）A、Configureasite

idforeachce.B、ConfigureaVPNlabelforeachVPN.C、ConfigureaMP-bgpsessiontoeachpe.D、ConfigureanExtendedLDPSessiontoeachpe.43.WhichtwostatementsaretrueregardingtraceoptionsonJunosdevices?（）A、YoucanseethecontentsofthelogfilebyenteringtheshowlogcommandB、TraceoptionswillsendinformationtoyourscreenautomaticallyC、TraceoptionsarelimitedtooneprotocolatatimeD、Thefilenameandsetofflagsmaybespecifiedwhenenablingtraceoptions44.YouarereceivingreportsofpossibleunauthorizedaccesstoresourcesprotectedbyafirewallenforcerrunningtheJunosOS.Youwanttoveritywhichusersarecurrentlyaccessingresourcesthroughtheenforcer.Whichcommandshouldyouusetoverifyuseraccessontheenforcer?（）A、showservicesunified-access-controlauthentication-tableB、showauthtableC、showservicesunified-access-controlpoliciesD、showservicesunified-access-controlcaptive-portal45.Giventheroutingentriesshownintheexhibit,whichnext-hopIPaddresswillbeusedfordiedestinationIPaddress42?（） A、0B、31C、10.181.1D、3046.WhichtwostatementsdescribethedefaultroutingpolicyforBGP?（）A、Advertiseonlylocallyoriginatedroutes.B、AcceptallBGProutesandimportintoinet.0.C、AdvertiseallactiveBGProutes.D、AdvertiseonlyEBGProutes.47.WhichRADIUSconfigurationcommandimplementsaprimary/backupscenarioformultipleservers?（）A、radiusalgorithmdirectB、radiusalgorithmbackupC、radiusalgorithmprimaryD、radiusalgorithmround-robin48.Whichcommanddoyouusetoidentifythemeaningofasyslogmessage?（）A、helplogmessagesB、manlogmessagesC、mansyslogD、helpsyslog49.YouareatthetopofthehierarchyandmustconfigureOSPFoninterfaceso-0/0/0unit100.Whichtwoachievethisresult?（）A、setprotocols

setospfarea0

setinterfaceso-0/0/0.100B、setprotocolsospfarea0interfaceso-0/0/0.100C、editprotocolsospfinterfaceso-0/0/0.100D、editprotocolsospfarea0

setinterfaceso-0/0/0.10050.Whichthreeattributesarecarriedinasourceactivemessage?（）A、NLRIinformationB、IPaddressoforiginatingRPC、addressofmulticastsourceD、allactiveRPsinthelocaldomainE、groupaddresstowhichthesourceissending51.Whichtwostatementsdescribethecriteriabandwidthdetectionusestodynamicallyalterbandwidthallocation?（）(Choosetwo.)A、Throughputisraisedaslatencydecreases.B、Throughputisbasedonavailablebandwidth.C、Throughputisloweredaslatencydecreases.D、LatencyismeasuredbySYNsreturnedforeachmetapacket.52.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-0/0/0.053.Whichcommandwilldisplaythecontentsoftheforwardingtable?（）A、showrouteforwarding-tableB、showforwardingC、showconfiguration54.Bydefault,ifequal-costpathsexistforthesamedestination,whichactionwilltheroutertake?（）A、Drophalfthetraffic.B、Makeacopyofthetrafficandsendittobothdestinations.C、Load-balancetrafficbetweentheavailablepaths.D、Randomlyselectoneoftheavailablepathstosendtraffic.55.Whatisthehighest(strongest)prioritythatcanbesetonanLSPinJUNOSsoftware?（）A、0B、7C、64D、25556.Whichthreeattributesarecarriedinasourceactivemessage?（）A、NLRIinformationB、IPaddressoforiginatingRPC、addressofmulticastsourceD、allactiveRPsinthelocaldomainE、groupaddresstowhichthesourceissending57.What?is?the?interface?connecting?the?routing?engine?to?the?packet?forwarding?engine?called？（）A、Loopback?0B、managementC、internal（fxp1）D、control?interface58.Whenconfiguringmorethanonearchivalsite,whichstatementistrue?（）A、ThesystemwillfirstattemptthetransferusingtheURLconfiguredlastB、ThesystemwilltransfertheconfigurationtoeacharchivalsiteC、ThesystemwillnottransfertoasecondarysiteunlesstheprevioussitefailsD、Thesystemwilltransferusingsecurecopyprotocl(SCP)beforeattemptingFTP59.Whichtwostatementsaboutthetrackconfigurationoptionarecorrect?（）A、Thetrackoptionmonitorsinterfacesasdefinedbytheuser.B、ThetrackoptionmonitorsallinterfacesparticipatinginVRRP.C、Thetrackoptionallowsforareductionofthepriorityvalueifthemonitoredinterfacegoesdown.D、Thetrackoptioncausessyslogentriestobewritteninthemessageslogfile,ifthemonitoredinterfacegoesdown.60.HowdoyoudisableaserverfromJuniperDXClusterwithoutterminatingactiveclientrequests?（）A、Deletetheserver.B、"Softpause"thetargetserver.C、"Hardpause"thetargetserver.D、CreateanewClusterwithouttheserver.61.WhichcommandclearsthehistoryofBGPdampedroutes?（）A、clearbgpdampingB、clearbgpneighborC、clearbgpneighbordampD、clearprotocolbgpdamp62.YouareaskedtoconfiguretheconfigurationarchivalfeatureonyourJunosdevices.Whichtwotransfermethodsareavailable?（）A、TFTPB、FTPC、SCPD、SFTP63.For?which?two?functions?is?the?Routing?Engine?responsible？（）A、packet?forwardingB、queuing?functionsC、routing?protocol?controlD、JUNOS?software?operation64.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.65.Whichtwoconditions,whenmet,allowanIS-ISLevel2routertobeconsideredattached?（）A、YoucanreachotherLevel2routers.B、Itcanreachatleastoneotherdefinedarea.C、TherouterisreachablebyatleasttwoES-ISnodes.D、Ithasatleastoneenabledreachableprefixwithavalidmetricdefined.66.Whatisanadvantageofdynamicrouting?（）A、Unlikestaticrouting,dynamicroutingprovidesredundantIPaddressesforend-userdevices.B、Unlikestaticrouting,dynamicroutingrequiresnoinitialuserconfiguration.C、Dynamicroutingcanprovideincreasednetworkavailabilitywhencomparedtostaticrouting.D、DynamicroutingprovidesDNSservicesalongwithIPconnectivity;staticroutingdoesnot.67.WhichconfigurationcausesRIP-learnedroutestobeadvertisedtootherRIPneighbors?（）A、setprotocolripno-passiveB、topeditpolicy-optionspolicy-statementdemo

setterm1fromprotocolrip

setterm1thenaccept

topsetprotocolsripgroupinternalexportdemoC、setprotocolsripadvertisein-outD、topeditpolicy-optionspolicy-statementdemo

setterm1fromactiveroutes

setterm1thenaccept

topsetprotocolsripgroupinternalexportdemo68.WhatarethreeexamplesofaCPE-provisionedVPN?（）A、L2TPB、2547bisC、L2FD、PPTPE、MPLS69.InJUNOSsoftware,whichwouldpreventanOSPFrouterfromimportingthe/30summaryroute?（）A、Importpoliciesarenotallowedforinternalroutes,sothisisnotpossible.B、Exportpoliciesarenotallowed,sothisisnotpossible.C、Applyafirewallfiltermatching10.0.0/4/30andrejecttheroute.D、Applyanimportpolicymatching/30andrejecttheroute.70.Whichcommandwillsavethecurrentactiveconfigurationastherescueconfiguration?（）A、user@router#save

rescueB、user@router>requestsystemconfigurationrescuesaveC、user@router#saverescueconfigurationD、user@router>filesaverescue-configuration71.Younavigateto"UAC">"InfranetEnforcer">"AuthTableMapping"intheadminGUI.Youseeonepolicy,whichistheunmodified,originaldefaultpolicy.Whichstatementistrue?（）A、Dynamicauthtablemappingisnotenabled.B、Asuccessfulauthenticationattemptwillresultinanewauthenticationtableentry,whichwillbedeliveredonlytotheJunosenforcerprotectingthenetworkfromwhichtheuserhasauthenticated.C、Tocreateastaticauthtablemapping,youmustdeletethedefaultpolicy.D、Thedefaultpolicyappliesonlytothefactory-defaultroleUser.72.AnadministratorhascreatedthreedifferentOdysseyAccessClientpreconfigurationfilesandassignedthemtothreedifferentrolesinthesamerealm.WhichactionshouldtheadministratortaketoensurethatusersgetthecorrectOdysseyAccessClientpreconfigurationfile?（）A、ConfigureeachuseraccountintheauthserverwiththeappropriateOdysseyAccessClientpreconfigurationfiles.B、Configuretherole-mappingruleswiththeappropriateOdysseyAccessClientpreconfigurationfiles.C、Ensurethatmergerolesisselectedintherole-mappingrules.D、EnsurethatthefirstroleauserismappedtoistherolewiththeappropriateOdysseyAccessClientpreconfigurationfile.73.Whichzoneissystem-defined?（）A、securityB、functionalC、junos-globalD、management74.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.WhichconfigurationcommandconfiguresIS-IStosupportMPLSTrafficEngineering?（）A、metric-stylewideB、redistributemplsC、metric-stylenarrowD、dynamic-redistribute第2卷一.參考題庫(共75題)1.Whichlogcontainsinformationaboutservicerestarts,systemerrors,warnings,andrequeststocheckserverconnectivity?（）A、EventslogB、SystemlogC、UserAccesslogD、AdminAccesslog2.Which?attribute?is?required?for?all?IKE?phase?2?negotiations？（）A、proxy-IDB、preshared?keyC、Diffie-Hellman?group?keyD、main?or?aggressive?mode3.What?are?three?RSVP?messages？（）A、PathErr：Path?errorB、ResvErr：Reservation?errorC、PathConf：Path?confirmationD、ResvConf：Reservation?confirmation4.Whichzonetypecanbespecifiedinapolicy?（）A、securityB、functionalC、userD、system5.WhichstatementistrueregardingtheJunosOS?（）A、AllplatformsrunningtheJunosOSusethesamesourcecodebaseB、AllplatformsrunningtheJunosOSusethesamePFEC、AllplatformsrunningtheJunosOSuseaharddrivetooptimizesyslogdatastorageD、AllplatformsrunningtheJunosOSuseaseparateprocesswithprotectedmemoryspaceforeachroutingprotocol6.WhatarethreeelementstheJunosPulseAccessControlServiceusestoestablishendpointaccesstoprotectedresources?（）A、sign-inpolicyB、authenticationrealmsC、rolerestrictionsD、policyrealmsE、routingpolicy7.Which?CLI?command?will?ping?destination??ten?times?and?display?the?incoming?interface?of?the?received?packet？（）A、ping?count?10??detailB、ping?number?10??detailC、ping?count?10??extensiveD、ping?number?10??extensive8.WhatarethethreecomponentsoftheISONETaddress?（）A、AreaIDB、N-selectorC、SystemIDD、ASnumberE、ISOnumberF、MACaddress9.YouhaveconfiguredaClassifierAccessControlList(CLACL)withmultiplematchclauses.Eachmatchclausehasmultipledefinedfieldswithinit.WhichtwostatementsdescribehowtherouterevaluatesthisCLACL?（）A、Allfieldsineachmatchclausemustmatch.B、AllmatchclausesintheCLACLmustmatch.C、Onlyasinglefieldineachmatchclausemustmatch.D、OnlyasinglematchclauseintheCLACLmustmatch10.You?must?configure?a?SCREEN?option?that?would?protect?your?device?from?a?session?table?flood.Which?configuration?meets?this?requirement？（） A、AB、BC、CD、D11.WhatarethreeTLVsthatsupportIS-ISextensionsfortrafficengineering?（）A、ExtendedISreachabilityB、ExtendedIPreachabilityC、TrafficengineeringopaqueD、TrafficengineeringrouterIDE、ExtendedMPLSreachability12.InaJunosPulseAccessControlServicefirewallenforcementconfiguration,whatisthepurposeofthesourceIPpolicy?（）A、tospecifythedestinationaddressestowhichaccessispermittedB、tospecifythesourceaddresspermittedtoaccesstheresourceC、tospecifytheservicestowhichaccessispermittedD、toinformtheenforcertoexpectpolicyinformationfromtheJunosPulseAccessControlService13.WhichCLIcommanddisplayserrorstatisticsforaninterfaceinreal-time?（）A、monitortrafficB、showinterfacesC、monitorinterfaceD、showinterfacesextensive14.WhatarethreecomponentsoftheNETaddress?（）(Choosethree.)A、AreaIDB、N-selectorC、SystemIDD、ISOnumberE、MACaddress15.InaBridged1483network,whichsetofcommandsisusedtoconfigureanATMsubinterface?（） A、AB、BC、CD、D16.DuringOSPFadjacencyformation,inwhichstateisarouterinwhenitisnegotiatingtobeinchargeofthedatabasesynchronizationprocess?（） A、AB、BC、CD、D17.Which?two?external?authentication?server?types?are?supported?by?JUNOS?Software?for?firewall?userauthentication？（）A、RADIUSB、TACACS+C、LDAPD、IIS18.Whichstatementistrueregardingthepassword-recoveryprocess?（）A、YoumusthaveaconsoleconnectionB、YoucannotsettheconsoleporttoaninsecuremodeC、YoumustpresstheEnterkeysothatyoucanbootintosingle-usermodeD、WhenpromptedtoenterthefullpahnameoftheshellyoumustpresstheEnterkey19.ThetrafficengineeringextensionstoRSVPprovidewhatfunctionality?（）A、IProutingB、datasecurityC、labeldistributionD、datacompression20.AuserisconnectedonaDSLlineandisusingaPPPoverEthernetservice.WhichnetworkdevicestripstheATMheaderfromthedatagramandinvestigatesthePPPheader?（）A、DSLAMB、DSLmodemC、ERXEdgeRouterD、customerworkstation21.Whichsourceofroutinginformationispreferredbydefault?（）A、OSPFinternalB、OSPFexternalC、IS-ISLevel1D、IS-ISLevel222.Whichthreestatementsare