JNCISER Preassessment Exam.docx
- 文档编号:8929868
- 上传时间:2023-02-02
- 格式:DOCX
- 页数:13
- 大小:45.64KB
JNCISER Preassessment Exam.docx
《JNCISER Preassessment Exam.docx》由会员分享,可在线阅读,更多相关《JNCISER Preassessment Exam.docx(13页珍藏版)》请在冰豆网上搜索。
JNCISERPreassessmentExam
JNCIS-ERPreassessmentExam.
Q1.WhichattributesareautomaticallyupdatedwhenaBGPupdateissenttoanEBGP
neighbor?
(choose2)A,D
A.BGPNext-hopattribute
B.LocalPreferenceattribute
C.MultiExitDescriminator(MED)attribute
D.AS-Pathattribute
E.Originattribute
Q2.Whichstatementsaretrueaboutpost-service-filters?
(choose3)A,C,D
A.Apost-service-filtercanonlybeusedoninput
B.Apost-service-filtercanbeusedoninput,outputorboth
C.Apost-service-filterisonlyappliedtopacketsthatareprocessedbyaservice-set
D.Apost-service-filterisastandardstatelessfirewall-filter
Q3.Foragivenprefix10.10.10.0/23learnedasanOSPFInternalIntra-Area,anOSPF
InternalInter-AreaandanOSPFASExternaltype1,whichroutewillbepreferred?
A
A.OSPFInternalIntra-Arearoute
B.OSPFInternalInter-Arearoute
C.OSPFASExternaltype1
D.Equalcostloadsharingwilloccurifequalcostpathsexist
Q4.Yourenterpriseisdual-homedtothesameServiceProviderusingBGP,withtwolinks
havingbandwidthofSTM1/OC3andSTM4/OC12respectively.Youwanttoinfluencealltraffic
leavingyourautonomous-systemtousetheSTM/OC12link.
WhichBGPattributescanyoumodifytoaccomplishthisgoal?
(choose2)B,D
A.SetLocalPreferenceinanimportpolicyforrouteslearnedfromtheneighboronthe
STM4/OC12linktobe80
B.SetLocalPreferenceinanimportpolicyforrouteslearnedfromtheneighboronthe
STM4/OC12linktobe180
C.Configuretheimport-policyfortheSTM4/OC12neighbortosettheORIGINattributeto
beINCOMPLETE
D.Configuretheimport-policyfortheSTM1/OC3neighbortoas-pathprependthe
neighborsautonomous-systemtwice
E.Configuretheimport-policyfortheSTM4/OC12neighbortoas-pathprependthe
neighborsautonomous-systemtwice
Q5.Intheexhibit,whichexportpolicyorpolicieswillbeappliedtoBGPneighbor10.10.10.1?
C
A.global-policy
B.group-policy
C.nbr-policy
D.allthreepolicies
E.noneofthepolicies
Q6.Whichstepsarerequiredtoconfigureaninterface-styleserviceset?
(choose5)A,B,C,D,F
A.Configuretheserviceinterface
B.Configuretheservicerulesandrule-sets
C.Configuretheservice-settoincludetheservicerulesand/orrule-sets
D.Configuretheservice-settobeinterface-styleandwhichserviceinterfacetouse
E.Configureroutingtotheserviceinterface
F.Applytheservice-settotherequiredinterfaces
Q7.WhichstepisnotrecommendedaspartofaseamlessRIPtoOSPFIGPtransitionusing
theoverlaymethod?
C
A.ConfigureallrouterstoensuretheexistingRIPIGPhasabetterroutepreferencethan
thenewOSPFIGP
B.ConfigureallrouterstorunOSPF
C.RedistributeallRIProutesintoOSPFandviseversa
D.EnsureallroutershavelearnedallnetworksviaOSPF
E.GracefullytransitiontoOSPFbychangingtheroute-preferenceofRIPtobehigherthan
OSPF
Q8.WhichconfigurationstepisrequiredwhenconfiguringanOSPFNSSAarea?
C
A.Youmustconfigurenssaonallroutersinthenetwork
B.Youmustconfigurenssaunder[editprotocolsospf]
C.Youmustconfigurenssaunder[editprotocolsospfarea]
D.YoumustconfigurenssaonlyontheAreaBorderRouters(ABR's)
Q9.WhichstatementsbelowarevalidJUNOSstateful-firewallrulematchtypes?
(choose3)A,
B,D
A.destination-address-range
B.source-prefix-list
C.esp-spi
D.applications
E.interface-set
Q10.Intheexhibit,whichstatementistrueforthestaticroute11.11.11.0/24thatisevaluated
againsttheBGPexportpolicychain?
D
A.The11.11.11.0/24prefixisacceptedbypolicyP1andadvertisedtoneighbor
10.10.10.1
B.The11.11.11.0/24prefixisrejectedbypolicyP1andnotadvertisedtoneighbor
10.10.10.1
C.The11.11.11.0/24prefixisrejectedbythepolicyP2
D.The11.11.11.0/24prefixisrejectedbytheBGPdefaultpolicy
E.The11.11.11.0/24prefixisacceptedbytheBGPdefaultpolicy
Q11.YouwanttodeterminewhichNATpoolshavebeenconfiguredontherouter.
Whichcommandwilldisplaythisinformation(choose1)D
A.showservicesnatavailablepools
B.showservicespools
C.showservicesnat-pool-table
D.showservicesnatpools
Q12.WhichstatementsbestdescribeEnterpriseconnectionstoServiceProviders?
(choose2)C,D
A.EnterprisesshouldalwaysrunBGPwiththeirServiceProviderswhentheirCPErouter
hasparallelmultiplelinkstotheISProuter
B.WhenBGPisruninanenterprisenetwork,allroutersneedtorunBGP
C.Enterprisesshoulduseastaticdefaultroutewhenthereisonlyoneentry/exitpointout
oftheirnetwork
D.EnterprisesshoulduseBGPwhentheyaremulti-homedandhaveaneedtoexercise
policycontrols
Q13.AssumingtherequirementsfortheestablishmentofanEBGPsessionbetweenthe
loopback0interfacesofbothrouters.Thelocalautonomous-systemisdefinedasAS100and
theneighborsautonomous-systemisAS200.
Thelocalautonomous-systemisconfiguredunder[routing-optionsautonomous-system
100]
WhichstatementisnottrueaboutMultihopExternalBGPpeeringsessions?
A
A.Bothpeer-as200andtypeexternalparametersarerequired
B.Onlypeer-as200isrequired
C.Youmustconfigurethelocal-addressparameter
D.Youmustconfigurethettlforthemulti-hopneighbor(s)
E.ThelocalroutermusthavearoutetotheeBGPneighborsconfiguredaddress
Q14.Intheexhibit,whichstatementsaretruefortheNATtranslation?
(choose2)B,C
A.Theprivate/internalIPaddressthatwillbechangedis192.168.11.4
B.Theprivate/internalIPaddressesthatwillbechangedare10.222/16
C.Thepublic/externalIPaddressis192.168.11.4
D.Theprivate/internalIPaddressescanbeanything
E.Thepublic/externalIPaddressis10.222.44.1
Q15.Whilemonitoringthesystemsmessagesfile,youencounteranentrythatisfrequently
repeated,butseemssomewhatcryptic
Jun814:
12:
28R1chassisd[2737]:
CHASSISD_IFDEV_DETACH_PIC:
ifdev_detach_pic(0/3)
Whichcommandcanyouusetobetterunderstandthesignificanceofthismessage?
C
A.showsyslogmessageCHASSISD_IFDEV_DETACH_PIC
B.showsystemmessageCHASSISD_IFDEV_DETACH_PIC
C.helpsyslogCHASSISD_IFDEV_DETACH_PIC
D.showsystemerrorlogCHASSISD_IFDEV_DETACH_PIC
Q16.Intheexhibit,whichstatementsarevalidentriesforthe"State"field?
(choose3)B,D,E
A.Monitor
B.Watch
C.Listen
D.Drop
E.Forward
Q17.Thesecuritypolicyforyourcompanyspecifythataccessforalloperationsstafftonetwork
deviceswillmigratetotheTACACS+protocol.TheRADIUSprotocoliscurrentlydeployedand
willbethepreferredmethodforauthentication
WhatconfigurationisrequiredontheJUNOSrouterstoensurethatonlywhennetwork
connectivityissuesresultingintheTACACS+andRADIUSbeinginaccessibleallowlocally
defineduserstologintotherouters?
C
A.setsystemauthentication-order[radiustacpluspassword]
B.setsystemauthentication-order[tacplusradiuspassword]
C.setsystemauthentication-order[radiustacplus]
D.setsystemauthentication-order[tacplusradius]
Q18.WhichstatementsaretrueaboutQueuingonM-SeriesandJ-Seriesrouters(choose3)B,C,E
A.AllM-Seriesrouterssupportupto8hardwarequeues
B.AllJ-Seriesrouterssupportupto8queues
C.Forwarding-classesmaptoqueues
D.VoiceTrafficisautomaticallyclassifiedasexpedited-forwarding(EF)andsenttoqueue
1
E.Thedefaultqueue/forwardingclassassociationsare
a.Queue0-best-effort
b.Queue1-expedited-forwarding
c.Queue2-assured-forwarding
d.Queue3-network-control
Q19.YouneedtodeterminewhichVPNtechnologyisbestsuitedtoprovideenterprisebranch
officeconnectivity.Therequirementsarethatthesolutionshouldbe:
cost-effectivedoesnothavestringentsecurityrequirementsneednotsupportlegacyprotocols
shouldbesimpletomanageforthecustomer
shouldalsoprovideInternetaccessonthesamephysicalinterfaceWhichtechnologies/
solutionsarebestsuited?
D
A.TraditionaloverlayL2VPNbasedonFrame-Relay,ATMorLeasedlines
B.MPLSbasedL2VPN
C.IPSecVPN
D.MPLSbasedL3VPN
E.GREtunnelVPN
Q20.YouneedtoensurethatabranchofficewhichisconnectedtotheServiceProviderwitha
linkspeedof128Kdoesnotgetoverwhelmedwithtrafficfromtheheadofficewhichhasalink
speedof2Mbps.JuniperNetworksJ-SeriesroutersaredeployedasCPEdevicesinboth
locations.
Whichmechanismisbestsuited?
D
A.Policetrafficexceeding128Kbpstothebranchsiteattheheadoffice
B.Upgradethebranchsitesbandwidthto2Mbpstoensuretrafficlimitsarenotexceeded
C.ApplyClassofServicetoensurethatthemostimportanttrafficisprioritized
D.ApplyJUNOSVirtualChannelsattheheadofficetoensurebranchofficesitesarenot
overwhelmedwithtoomuchtraffic
Q21.WhichstatementsaretrueregardingClassofServiceconfigurationinJUNOS?
(choose4)
A,C,D,E
A.BehaviorAggregate(BA)classifiersareconfiguredunder
[editclass-of-serviceclassifiers]
B.BehaviorAggregate(BA)classifiersareappliedunder
[editinterfacesclass-of-service]
C.scheduler-mapsareneededtolinkforwarding-classestoschedulers
D.RED/WREDprofilesconfiguredunder[editclass-of-servicedrop-profiles]mustbe
referencedinschedulerstotakeeffect
E.Rewrite-rulesareconfiguredunder[editclass-of-servicerewrite-rules]andmustbe
appliedtothelogicalinterfacesdefinedunder[editclass-of-serviceinterfaces]
F.Schedulersareconfiguredunder[editclass-of-serviceschedulers]andmayinclude
a.forwarding-class
b.transmit-rate
c.priority
d.buffer-size
Q22.WhichstatementsaretrueaboutPolicing/RateLimiting(choose2)A,C
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- JNCISER Preassessment Exam