CCNP(642832)真题精选.docx
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CCNP(642832)真题精选.docx
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CCNP(642-832)真题精选[填空题]1DraganddropthexDSLtypeontheabovetotheappropriatexDSLdescriptiononthe
below.
参考答案:
[填空题]2MatchthexDSLtypeontheabovetothemostappropriateimplementationonthe
below.
参考答案:
[填空题]3TwoCiscoroutersareconnectedtoeachotherandareenabled
CDP.Seriallineisup,protocolisalsoupbutcdpneighbornot
working.WhatlayeroftheOSImodeldoestheproblemmostlikelyexist?
参考答案:
Datalink
layer.[填空题]4DrageachelementoftheCiscoIOSFirewallFeatureSetfromtheaboveanddropontoitsdescriptiononthe
below.
参考答案:
[填空题]5DragtheprotocolsthatareusedtodistributeMPLSlabelsfromtheabovetothetargetareaon
thebelow.
(Notalloptionswillbeused)
参考答案:
[单项选择题]
6、Followingticketconsistsofaproblemdescriptionandexistingconfigurationonthe
device.
Figure2TroubleTicketStatement:
Client1isabletoping
10.1.1.2butnot
10.1.1.1.InitialtroubleshootingshowsthatR1doesnothaveanyOSPFneighborsoranyOSPFroutesConfigurationonR1:
routerospf1
CertKlog-adjacencychangesnetwork
10.1.1.0
0.0.0.3area12default-informationoriginatealways!
interfaceSerial0/0/0/
0.12point-to-pointipaddress
10.1.1.1
255.255.255.252ipnatinsideipospfmessagedigest-key1md5TSHOOTConfigurationonR2:
routerospf1log-adjacency-changesnetwork
10.1.1.0
0.0.0.3area12!
Cisco642-832:
PracticeExaminterfaceSerial0/0/0/
0.12point-to-pointipaddress
10.1.1.2
255.255.255.252ipospfauthenticationmessage-digestipospfmessage-digest-key1md5TSHOOTFaultConditionisrelatedtowhichtechnology?
()
A.NAT
B.OSPF
C.StaticRouting
D.SwitchtoSwitchConnectivity
参考答案:
B[单项选择题]
7、Studytheexhibit
carefully.
RoutersAandBarecustomer
routers.Routers1,2,3and4areprovider
routers.TheroutersareoperatingwithvariousIOS
versions.WhichframemodeMPLSconfigurationstatementistrue?
()
A.BeforeMPLSisenabled,theipcefcommandisonlyrequitedonrouters1and4
B.AfterMPLSisenabled,theipcefcommandisonlyrequiredonrouters1and4
C.BeforeMPLSisenabled,theipcefcommandisonlyrequiredontheEthernet0interfacesofrouters1and4
D.AfterMPLSisenabled,theipcefcommandisonlyrequiredontheEthernet0interfacesofrouters1and4
E.BeforeMPLSisenabled,theipcefcommandmustbeappliedtoallproviderrouters
参考答案:
E
[单项选择题]
8、Followingticketconsistsofaproblemdescriptionandexistingconfigurationonthe
device.Figure1Figure2TroubleTicketStatementClient1andClient2arenotabletoreachtheWebServerat
209.65.200.241.InitialtroubleshootingshowsthatDSW1,DSW2andalltheroutersareabletoreachtheWebServerCisco642-832:
PracticeExamConfigurationonR1ipnatinsidesourcelistnat_poolinterfaceSerial0/0/0/1overload!
ipaccess-liststandardnat_poolpermit
10.1.0.0!
interfaceSerial0/0/0/1ipaddress
209.65.200.224
255.255.255.252ipnatoutside!
interfaceSerial0/0/0/
0.12ipaddress
10.1.1.1
255.255.255.252ipnatinsideipospfmessage-digest-key1md5TSHOOTipospdauthenticationmessage-digestTheFaultConditionisrelatedtowhichtechnology?
()
A.EIGRP
B.HSRP
C.BGP
D.NAT
参考答案:
D[单项选择题]
9、Anewrouterwasconfiguredwiththefollowingcommands:
TheconfigurationabovewasfoundonanInternetServiceProvider’s(ISP)MultiprotocolLabelSwitching(MPLS)
network.Whatisitspurpose?
()
A.TopreventcustomersfromrunningTDPwiththeISProuters
B.TopreventcustomersfromrunningLDPwiththeISProuters
C.TopreventotherISPsfromrunningLDPwiththeISProuters
D.Topreventman-in-the-middleattacks
E.TouseCBACtoshutdownDistributedDenialofServiceattacks
F.TouseIPStoprotectagainstsession-replayattacks
G.Noneoftheabove
参考答案:
A
[单项选择题]
10、Followingticketconsistsofaproblemdescriptionandexistingconfigurationonthe
device.Figure1Figure2TroubleTicketStatementClientoneisgettinga
169.x.x.xIPaddressandisnotabletopingClient2orDSW1.InitaltroubleshootingshowsthatportFa1/0/1onASW1isinerrdisable
state.ConfigurationonASW1InterfaceFastEthernet1/0/1switchportmodeaccessswitchportport-securityswitchportport-securitymac-address
0000.0000.0001TheFaultConditionisrelatedtowhichtechnology?
()
A.VLANAccessMap
B.InterVLANcommunication
C.DHCP
D.PortSecurity
参考答案:
D
[多项选择题]
11、IPSecVPNisawidely-acknowledgedsolutionforenterprise
network.WhichthreeIPsecVPNstatementsaretrue?
()
A.IKEkeepalivesareunidirectionalandsenteverytenseconds
B.IPsecusestheEncapsulatingSecurityProtocol(ESP)ortheAuthenticationHeader(AH)protocolforexchangingkeys
C.ToestablishIKESA,mainmodeutilizessixpacketswhileaggressivemodeutilizesonlythreepackets
D.IKEusestheDiffie-HellmanalgorithmtogeneratesymmetricalkeystobeusedbyIPsecpeers
参考答案:
A,C,D[单项选择题]
12、Followingticketconsistsofaproblemdescriptionandexistingconfigurationonthe
device.
Figure1Figure2TroubleTicketStatementClient1isnotabletoreachthe
WebServer.InitialtroubleshootingshowsthatDSW1canpingtheFa0/1interfaceofR4butnotthes0/0/0/
0.34
interface.ConfigurationonDSW1routereigrp10network
10.1.4.4
0.0.0.0network
10.2.1.1
0.0.0.0network
10.2.4.13
0.0.0.0noauto-summaryConfigurationonDSW2routereigrp10network
10.1.4.8
0.0.0.0network
10.2.2.1
0.0.0.0network
10.2.4.14
0.0.0.0noauto-summaryConfigurationonR4routereigrp1network
10.1.4.5
0.0.0.0noauto-summaryredistributeospf1TheFaultConditionisrelatedtowhichtechnology?
()
A.EIGRP
B.InterVLANcommunication
C.OSPF
D.SwitchtoSwitchConnectivity
参考答案:
A
[多项选择题]
13、Studytheexhibit
carefully.TheCiscoIOSIPsecHighAvailability(IPsecHA)EnhancementsfeatureprovidesaninfrastructureforreliableandsecurenetworkstoprovidetransparentavailabilityoftheVPNgateways-thatis,CiscoIOSSoftware-based
routers.WhatarethetwooptionsthatareusedtoprovideHighAvailabilityIPsec?
()
A.HSRP
B.DualRouterMode(DRM)
C.IPsecBackupPeerings
D.RRI
参考答案:
A,D
IPsec
[多项选择题]
14、Youworkasanetwork
technician.YourbossisinterestedintheQoStechnologyinthecontextofvideo
traffic.Whatcanbesaidofapplicationofthistechnologyinthistypeofnetwork?
()
A.Theaccesslayeristheinitialpointatwhichtrafficentersthe
network.Trafficismarked(orremarked)atLayers2and3bytheaccessswitchasitentersthenetwork,oris"trusted"
thatitisenteringthenetworkwiththeappropriatetag
B.Notrafficmarkingoccursatthecore
layer.Layer2/3QoStagsaretrustedfromdistributionlayerswitchesandusedtoprioritizeandqueuethetrafficasittraversesthe
coreC.Trafficinboundfromtheaccesslayertothedistributionlayercanbetrustedorresetdependingupontheabilityoftheaccesslayer
switches.PriorityaccessintothecoreisprovidedbasedonLayer3QoStags
D.IPprecedence,DSCP,QoSgroup,IPaddress,andingressinterfaceareLayer2characteristicsthataresetbytheaccesslayerasitpassestraffictothedistribution
layer.Thedistributionlayer,onceithasmadeaswitchingdecisiontothecorelayer,stripstheseoff
E.MACaddress,MultiprotocolLabelSwitching(MPLS);
theATMcelllosspriority(CLP)bit,theFrameRelaydiscardeligible(DE)bit,andingressinterfaceareestablishedbythevoicesubmodule(distributionlayer)astrafficpassestothecorelayer
F.Thedistributionlayerinspectsaframetoseeifithasexceededapredefinedrateoftrafficwithinacertaintimeframe,whichistypicallyafixednumberinternaltothe
switch.Ifaframeisdeterminedtobeinexcessofthepredefinedratelimit,theCoSvaluecanbemarkedupinawaythatresultsinthepacketbeingdropped
参考答案:
A,B,C
[多项选择题]
15、WhichtwostatementsabouttheCiscoAironetDesktopUtility(ADU)aretrue()
A.TheAironetDesktopUtility(ADU)profilemanagerfeaturecancreateandmanageonlyoneprofileforthewirelessclient
adapter.
B.TheAironetDesktopUtility(ADU)cansupportonlyonewirelessclientadapterinstalledandusedata
time.
C.TheAironetDesktopUtility(ADU)canbeusedtoestablishtheassociationbetweentheclientadapterandtheaccesspoint,manageauthenticationtothewirelessnetwork,andenable
encryption.
D.TheAironetDesktopUtility(ADU)andtheMicrosoftWirelessConfigurationManagercanbeusedatthesametimetoconfigurethewirelessclient
adapter.
参考答案:
B,C
[单项选择题]
16、IPSecVPNisawidely-acknowledgedsolutionforenterprise
network.WhatarethefourstepstosetupanIPsecVPN?
()
A.A
B.B
C.C
D.D
参考答案:
C
[单项选择题]
17、Whichofthecharacteristicsbelowisassociatedwiththe(QoS)IntegratedServicesModel?
()
A.QoSclassifiedatlayer3usingIPprecedenceorDSCP
B.Guaranteedrateservice
C.ImplementedusingFIFOqueues
D.Alltraffichasanequalchanceofbeingdropped
参考答案:
B
[单项选择题]
18、AtwhichlayeroftheOSImodeldoestheSpanningTreeProtocol(STP)operateat?
()
A.Layer5
B.Layer4
C.Layer3
D.Layer2
E.Layer1
参考答案:
D[单项选择题]
19、WhichstatementcorrectlydescribesIPsecVPNbackuptechnology?
()
A.ThecyptoisakmpkeepalivecommandisusedtoconfiguretheStatefulSwitchover(SSO)protocol
B.ReverseRouteInjection(RRI)isconfiguredonattheremotesitetoinjectthecentralsitenetworks
C.EachHotStandbyRoutingProtocol(HSRP)standbygrouphastw
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