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*ExamName:JuniperNetworksCertifiedInternetSpecialist(JNCIS-M)

ExamType:JuniperNetworks

ExamCode:JN0-304TotalQuestion207

Question:1

RoutersAandBhaveanOC12candaGElinkbetweenthemandarerunningOSPFoverboth

oftheselinks.Whichstatementiscorrect,assumingthedefaultJUNOSsoftwareOSPFmetriccalculation?

A.TherearetwoequalcostpathsbetweenAandB.

B.TheGElinkisthepreferredpathbetweenAandB.

C.TheOC12clinkisthepreferredpathbetweenAandB.

D.Manualmetricassignmentmustbeconfiguredtodeterminetheoutcome.Answer:A

Question:2

WhatisthedefaultfunctionofasecondarypathinMPLS?

A.toactasanequal-costpathtotheprimarypath

B.toenableanotherLSPforloadbalancing

C.toactasadiversebackuppathtotheprimarypath

D.toallowtheuseofexplicitpathselectionviaEROs

Answer:C

Question:3

HowlongisanIPv6address?A.32bits

B.64bits

C.128bits

D.256bits

Answer:C

Question:4

Whichthreearewell-knownmandatoryBGPattributes?(Choosethree.)

A.Origin

B.ASpath

C.Nexthop

D.CommunityE.Multipleexitdiscriminator

Answer:A,B,C

Question:5

InwhichtwowayscanyouinfluencehowdownstreamLSRstreatMPLStraffic?(Choosetwo.)

A.UseanEXPrewritetable.

B.UseaDSCPrewritetable.

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C.StaticallyassignaCoSvaluetoanLDP-signaledLSP.

D.StaticallyassignaCoSvaluetoanRSVP-signaledLSP.

Answer:A,D

Question:6

WhichthreeauthenticationoptionsdoesIS-ISsupport?(Choosethree.)

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ExamName:JuniperNetworksCertifiedInternetSpecialist(JNCIS-M)



A.MD5

B.DES

C.KerberosD.unauthenticated

E.simplepassword

Answer:A,D,E

Question:7

TwoLabel-SwitchedPathscalledLSPAandLSPBhavebeenconfiguredonarouter.LSPAhas

beenconfiguredwithahold-priorityof3.Thereisinsufficientreservablebandwidthalongthepath

toaccomodatebothLSPsreservationrequirements.WhichsetupprioritymustLSPBhaveto

pre-emptLSPAanduseitsbandwidth?

A.2

B.3

C.4

D.7

Answer:A

Question:8

WhichconfigurationdefinesaBGProutereflector?

A.groupcluster-1{typeexternal;local-address192.168.56.1;cluster-list1.1.1.1;neighbor

192.168.48.1;neighbor192.168.52.1;}

B.groupcluster-1{typeinternal;local-address192.168.56.1;cluster1.1.1.1;client192.168.48.1;

client192.168.52.1;}

C.groupcluster-1{typecluster;local-address192.168.56.1;cluster-list1.1.1.1;neighbor

192.168.48.1;neighbor192.168.52.1;}D.groupcluster-1{typeexternal;local-address192.168.56.1;cluster1.1.1.1;neighbor

192.168.48.1;neighbor192.168.52.1;}

Answer:B

Question:9

Giventhefollowingpolicy:

[editpolicy-options]policy-statementmy-filter{termfirst{from{route-filter192.168.0.0/16

orlongeraccept;route-filter192.168.1.0/24exactaccept;route-filter192.168.2.0/24exact;}then{

metric10;accept;}termsecond{then{metric20;accept;}policy-statementmain{term

change-attributes{from{policymy-filter;}thenaccept;}termdefault{thenreject;}[edit

protocols]bgp{exportmain;}Whichactionoccurswhenthestaticroute192.168.0.0/25is

evaluatedbythepolicymain-policy?

A.TherouteisnotadvertisedintoBGP.A.TherouteisnotadvertisedintoBGP.

B.TherouteisadvertisedintoBGPwithmetric10.B.TherouteisadvertisedintoBGPwithmetric10.

C.TherouteisadvertisedintoBGPwithmetric20.C.TherouteisadvertisedintoBGPwithmetric20.

D.TherouteisadvertisedintoBGPwithdefaultmetric.D.TherouteisadvertisedintoBGPwith

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defaultmetric.

Answer:D

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Question:10

OSPFv3isusedtoroutewhichtypeofpackets?

A.IPv4B.IPv6

C.MPLS

D.IS-IS

Answer:B

Question:11

WhichthreeareusedtocreateaseparatemulticastandunicastforwardingtopologyonaJuniper

Networksrouter?(Choosethree.)

A.MBGP

B.RIBgroups

C.firewallfilters

D.routingpolicy

E.filterbasedforwarding(FBF)

Answer:A,B,D

Question:12

WhatisthecorrectconfigurationofAnycastRPontheloopbackinterface,assumingashared

anycastaddressof10.1.1.1?

A.[edit]interfaces{...lo0{unit0{familyinet{address10.1.1.1/32primary;address169.144.10.1/32;

B.[edit]interfaces{...lo0{unit0{familyinet{address10.1.1.1/32preferred;address169.144.10.1/32;

C.[edit]interfaces{...lo0{unit0{familyinet{address169.144.10.1/32primary;address10.1.1.1/32;

D.[edit]D.[edit]interfaces{...lo0{unit0{familyinet{address169.144.10.1/32preferred;

address10.1.1.1/32;

Answer:C

Question:13

WhichtwostatementsaboutISreachabilityTLV(TLV2)andtheextendedISreachability(TLV

22)aretrue?(Choosetwo.)

A.TLV22supportswidemetrics.

B.TLV2isonlyusedinLevel1routers.

C.TLV22displaystheneighbor'sextendedareas.

D.OnlyTLV22cansupporttheinclusionofsub-TLVs.Answer:A,D

Question:14

WhenusingOSPFasyourIGP,whichoperationalcommandmustbeenabledtopopulatethe

TEDforCSPFcalculations?

A.cspfenable

B.disableno-cspf

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C.traffic-engineering

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D.enabletraffic-engineering-database

Answer:C

Question:15WhatistheuseofMSDPacrossmultiplePIMdomains?

A.Itscopesmulticasttraffic.

B.Itpreventsmulticastroutingloops.

C.Itadvertisesactivemulticastsources.

D.ItadvertisesRPstoalldownstreamrouters.

Answer:C

Question:16

InJUNOSsoftware,whichtwoaremethodsofrestrictingmulticasttrafficbeyondyourdomain?

(Choosetwo.)

A.MSDP

B.Routingpolicy

C.Administrativescoping

D.Bootstrapexportpolicy

Answer:B,C

Question:17

WhencomparingCPEandprovider-provisionedVPNs(PPVPN),whichtwostatementsaretrue?

(Choosetwo.)

A.CPEVPNsrequirededicatedVPNawarehardwareatcustomersite,PPVPNdoesnot.

B.PPVPNsrequirededicatedVPNawarehardwareatcustomersite,CPEVPNsdoesnot.

C.CPEVPNsscalebetterthanPPVPNsastheydonotrequireapersiteconfigurationonthe

CPE.D.PPVPNsscalebetterthanCPEVPNsastheydonotrequireapersiteconfigurationontheCPE.

Answer:A,D

Question:18

AccordingtoJUNOSsoftwarerouteselectionalgorithm,whichIS-ISroutetypeismostpreferred?

A.Level1internalroutes

B.Level1externalroutes

C.Level2internalroutes

D.Level2externalroutes

Answer:A

Question:19WhichsettinginJUNOSsoftwareforcesabgpspeakertowaitforabgpneighbortoinitiateabgpsession?

A.wait

B.hold

C.passive

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D.authenticate

Answer:C

Question:20WhichthreeTLVtypesarevalidinanIS-ISHelloPDU?(Choosethree.)

A.TLV10Authentication

B.TLV1AreaAddresses

C.TLV211GracefulRestart

D.TLV137DynamicHostnameResolution

E.TLV14ABRs

Answer:A,B,C

Question:21

WhichthreecommandsallowyoutoverifythecurrentstateofyourBGPneighbors?(Choosethree.)

A.showbgpgroup

B.showbgpstatus

C.showbgpsummary

D.showbgpneighbor

E.showprotocolsbgp

Answer:A,C,D

Question:22

Whichtwomethodsareusedtoassignaroute-distinguisherinaKompellaLayer2VPN?

(Choosetwo.)

A.byassigningtheRDundertherouting-instances

B.byassigningtheRDunderprotocolsbgpC.byassigningtheRDunderrouting-options

D.byassingtheRDunderpolicy-options

Answer:A,C

Question:23

HowisaRendezvousPointtiebrokeninAuto-RP?

A.lowestIPaddress

B.highestIPaddress

C.lowestMACaddress

D.highestMACaddress

Answer:B

Question:24

InJUNOSsoftware,whichstatementistrueregardingtheOSPFadvertisementoftheloopback

IPaddressontheABR?

A.WhenArea0isactive,theloopbackinterfacemustbeconfiguredinOSPFforittobeadvertised.

B.WhenArea0isactive,theloopbackaddressisautomaticallyadvertisedintootherareas.

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C.WhenArea0isactive,theOSPFrouter-idmustmatchtheloopbackaddressfortheloopback

addresstobeadvertised.

D.WhenArea0isactive,therouter-idmustbeconfiguredfortheloopbackaddresstobeadvertised.

Answer:A

Question:25

WhichactionoccurswhentheBGProute20.1.0.0/16isevaluatedbythepolicyexpression?[edit

policy-options]policy-statementreject_10{from{route-filter20.1.0.0/16orlonger;}then{

communityadd90-1;reject;}policy-statementaccept_20{from{route-filter20.1.0.0/16orlonger;

}then{communityadd100-1;accept;}community100-1members100:1;community90-

1members90:1[editprotocols]bgp{groupebgp-group{neighbor172.16.201.1{export(reject

10||accept-20);}

A.Therouteisnotannounced.

B.Therouteisannouncedwithcommunity90:1added.

C.Therouteisannouncedwithcommunity100:1added.C.Therouteisannouncedwith

community100:1added.

D.Therouteisannouncedwithcommunities90:1and100:1added.D.Therouteisannounced

withcommunities90:1and100:1added.

Answer:D

Question:26

Giventhepolicy:

policy-statementfind-specific-routes{termget-good-routes{from{protocolstatic;metric10;}

thenaccept;}termstop-bad-routes{fromprotocolstatic;thenreject;}Whichrouteswillbe

accepted?A.allactivestaticrouteswithnometric

B.allinactivestaticrouteswithnometric

C.allactivestaticrouteswithametricof10

D.allinactivestaticrotueswithametricof10

Answer:C

Question:27

Tworoutersconnectedbyapoint-to-pointlinkareestablishinganadjacency.WhichIS-ISPDU

requestsLSPsthataremissingfromtherouter'sdatabases?

A.aLink-StatePDU

B.aLink-StateRequestPDU

C.aPartialSequenceNumberPDUD.aCompleteSequenceNumberPDU

Answer:C

Question:28

WhichthreeRPelectionmechanismsareavailableinaPIM-SMdomain?(Choosethree.)

A.Static

B.Auto-RP

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C.Dynamic-RP

D.Bootstraprouter

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E.Anycast-RP

Answer:A,B,D

Question:29WhichJUNOSsoftwareoperational-modecommanddisplaysthestatusofaMartiniVPN?

A.showldpneighbor

B.showmartiniconnections

C.showl2circuitconnections

D.showl2vpnconnections

Answer:C

Question:30

OnwhatistheKompellacontrolplanebased?

A.IGP

B.LDP

C.BGP

D.MPLS

Answer:C

Question:31

WhichthreeattributesareadvertisedtotheremotePEinBGP-basedVPNs?(Choosethree.)

A.circuitID

B.VPNlabel

C.routetarget

D.VPNnumber

E.routedistinguisher

Answer:B,C,EQuestion:32

WhatarethreeTLVsthatsupportIS-ISextensionsfortrafficengineering?(Choosethree.)

A.ExtendedISreachability

B.ExtendedIPreachability

C.Trafficengineeringopaque

D.TrafficengineeringrouterID

E.ExtendedMPLSreachability

Answer:A,B,D

Question:33

AsuccessfulauthenticationattemptbyaRADIUSserverdoesnotsupplyausernametothe

JUNOSsoftware.Whichusernameisusedbydefault?

A.root

B.local

C.radius

D.remote

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Answer:D

Question:34

InJUNOSsoftware,whichwouldpreventanOSPFrouterfromimportingthe10.0.0.4/30summaryroute?

A.Importpoliciesarenotallowedforinternalroutes,sothisisnotpossible.

B.Exportpoliciesarenotallowed,sothisisnotpossible.

C.Applyafirewallfiltermatching10.0.0/4/30andrejecttheroute.

D.Applyanimportpolicymatching10.0.0.4/30andrejecttheroute.

Answer:A

Question:35

Whichconfigurationcorrectlylimitsmaximumqueuingdelayto200milliseconds?

A.ef-scheduler{transmit-rate20m;buffer-sizetemporal200000;priorityhigh;}

B.ef-scheduler{transmit-rate20m;buffer-sizepercent20;priorityhigh;}

C.ef-scheduler{transmit-rate20m;buffer-sizetemporal200;priorityhigh;}

D.ef-scheduler{transmit-rate20m;delay-limit200;priorityhigh;}

Answer:A

Question:36

WhatisthefunctionofthehelperrouterduringarestarteventinOSPF?

A.SendsRapidHellostotherestartingrouter.

B.MaintainsAdjancencywithrestartingrouter.

C.SendsperiodicDDpacketstotherestartingrouter.

D.FloodsType9LSAstoallroutersindicatingarestartingevent.

Answer:B

Question:37Firewallfilterscanperformwhichtwoactions?(Choosetwo.)

A.Logpackets.

B.Setpacketmetrics.

C.Countpackets.

D.Decrementpacket'sTTLvalue.

Answer:A,C

Question:38

InBGPgracefulrestart,howdoesapeerrouterindicatetheendofarouteexchange?

A.anopenmessagewiththeEbitset

B.anupdatemessagewiththeEbitset

C.anopenmessagewithanend-of-RIBmarker

D.anupdatemessagewithanend-of-RIBmarker

Answer:D

Question:39

WhatarethreefunctionsassociatedwithJUNOSsoftwareclassofservice?(Choosethree.)

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A.Logincomingtraffic.

B.Classifyincomingpackets.

C.Manageoutboundbandwidth.D.Managecongestionbyintelligentlydroppingtraffic.

E.ClassifyATMQoSpacketsintoanequivalentIPCoSenvironment.

Answer:B,C,D

Question:40

WhataretwocharacteristicsoftheREDalgorithmasimplementedinJUNOSsoftware?(Choosetwo.)

A.Itprofilesbasedonbandwidth.

B.Itprofilesbasedonlosspriority.

C.Itpreventstrafficlossthroughbuffering.

D.Itpreventsglobalsynchronizationwithtaildrops.

Answer:B,D

Question:41

Youwanttosuppressadvertisementofallrouteswithinthe200.200.0.0/16rangetoyourOSPF

neighborsinotherareas.Whichconfigurationaccomplishesthisgoal?

A.[editprotocolsospfareaarea-id]area-range200.200.0.0/16discard;

B.[editprotocolsospfareaarea-id]area-range200.200.0.0/16restrict;

C.[editprotocolsospfareaarea-id]area-range200.200.0.0/16no-summary;

D.[editprotocolsospfareaarea-id]area-range200.200.0.0/16suppress;

Answer:B

Question:42

YouhaveaLevel1-onlyrouter(RouterA)inIS-ISarea49.0001.HowdoesRouterAlearnhowtogettoIPprefixesinotherareas?

A.RouterAmusthaveaLevel2adjacencywiththeLevel1/Level2routerinarea49.0001.

B.TheLevel1/Level2routerinarea49.0001setsthe"attached"bitintheLevel1link-statePDU

(LSP)itfloodsintoarea49.0001.

C.TheLevel1/Level2routerinarea49.0001setsthe"attached"bitintheLevel2LSPitfloods

intoarea49.0001.

D.TheLevel1/Level2routerinarea49.0001advertisestheseprefixesintoarea49.0001usinga

Level2LSPitfloodsintothearea.

Answer:B

Question:43

WhatisthedefaulthellointervalforRSVPintheJUNOSsoftware?

A.1second

B.3seconds

C.9seconds

D.12seconds

Answer:C

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Question:44

InJUNOSsoftware,whatistheonlyBGPattributewhereahighervalueispreferred?

A.MEDB.origin

C.preference

D.localpreference

Answer:D

Question:45

WhichthreecomponentsarepartoftheNetworkEntityTitle(NET)onanIS-ISrouter?(Choosethree.)

A.AFI

B.MAC

C.area

D.N-Selector

E.IPaddress

Answer:A,C,D

Question:46

Giventhecommunity:communitymy-companymembers"^[1-3]*7:666$";Whichthree

communitiesdoesthisexpressionmatch?(Choosethree.)

A.17:666

B.17:667

C.27:666

D.37:666

E.47:666Answer:A,C,D

Question:47

IntowhichprotocolareLDPhellomessagesencapsulated?

A.ICMP

B.BFD

C.UDP

D.MPLS

Answer:C

Question:48

Whataretwopurposesofthe224.0.1.40addressinAuto-RP?(Choosetwo.)

A.Configuredmappingagentslistentothisaddress.

B.MappingagentsselectRPforagroupbasedonhighestIPaddressofallthegroup'sC-RPs.

C.RPmappingagentadvertisescompletelistofgroup-to-RPmappings.

D.AllconfiguredPIM-SMrouterslistentothisaddressandlearnthecorrectRPtouseforeach

knowngroup.

Answer:C,D

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