最新CCNA题库word版00题.docx
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最新CCNA题库word版00题.docx
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最新CCNA题库word版00题
QUESTION201
WhichtwovaluesareusedbySpanningTreeProtocoltoelectarootbridge?
(Choosetwo.)
A.amountofRAM
B.bridgepriority
C.IOSversion
D.IPaddress
E.MACaddress
F.speedofthelinks
QUESTION202
Refertotheexhibit.Assumethattheroutingprotocolreferencedineachchoicebelowisconfiguredwithits
defaultsettingsandthegivenroutingprotocolisrunningonalltherouters.Whichtwoconditional
statementsaccuratelystatethepaththatwillbechosenbetweennetworks10.1.0.0and10.3.2.0forthe
routingprotocolmentioned?
(Choosetwo.)
A.IfOSPFistheroutingprotocol,thepathwillbefromR1toR3toR4toR5.
B.IfOSPFistheroutingprotocol,thepathwillbefromR1toR2toR5.
C.IfOSPFistheroutingprotocol,thepathwillbefromR1toR5.
D.IfRIPv2istheroutingprotocol,thepathwillbefromR1toR3toR4toR5.
E.IfRIPv2istheroutingprotocol,thepathwillbefromR1toR5.
QUESTION203
Refertotheexhibit.AnetworkadministratorisaddingtwonewhoststoSwitchA.Whichthreevaluescould
beusedfortheconfigurationofthesehosts?
(Choosethree.)
A.hostAIPaddress:
192.168.1.79
B.hostAIPaddress:
192.168.1.64
C.hostAdefaultgateway:
192.168.1.78
D.hostBIPaddress:
192.168.1.128
E.hostBdefaultgateway:
192.168.1.129
F.hostBIPaddress:
192.168.1.190
QUESTION204
Anetworkadministratorchangestheconfigurationregisterto0x2142andrebootstherouter.Whataretwo
resultsofmakingthischange?
(Choosetwo.)
A.TheIOSimagewillbeignored.
B.Therouterwillprompttoenterinitialconfigurationmode.
C.TherouterwillboottoROM.
D.AnyconfigurationentriesinNVRAMwillbeignored.
E.Theconfigurationinflashmemorywillbebooted.
QUESTION205
Refertotheexhibit.ThenetworksconnectedtorouterR2havebeensummarizedasa192.168.176.0/21
routeandsenttoR1.WhichtwopacketdestinationaddresseswillR1forwardtoR2?
(Choosetwo.)
A.192.168.194.160
B.192.168.183.41
C.192.168.159.2
D.192.168.183.255
E.192.168.179.4
F.192.168.184.45
QUESTION206
WhichthreestatementsaretypicalcharacteristicsofVLANarrangements?
(Choosethree.)
A.AnewswitchhasnoVLANsconfigured.
B.ConnectivitybetweenVLANsrequiresaLayer3device.
C.VLANstypicallydecreasethenumberofcollisiondomains.
D.EachVLANusesaseparateaddressspace.
CCNA考试报名1700元
99
艾迪飞论坛
艾迪飞论坛E.AswitchmaintainsaseparatebridgingtableforeachVLAN.
F.VLANscannotspanmultipleswitches.
QUESTION207
QoSpoliciesareappliedontheswitchesofaLAN.Whichtypeofcommandwillshowtheeffectsofthe
policyinrealtime?
A.showcommand
B.debugcommand
C.configurationcommand
D.rommoncommand
QUESTION208
WhichcommandwillshowtheMACaddressesofstationsconnectedtoswitchports?
A.showmac-address
B.showarp
C.showtable
D.showswitchport
QUESTION209
WhatisthenameoftheVTPmodeofoperationthatenablesaswitchtoforwardonlyVTP
advertisementswhilestillpermittingtheeditingoflocalVLANinformation?
A.server
B.client
C.tunnel
D.transparent
QUESTION210
WhichportstateisintroducedbyRapid-PVST?
A.learning
CCNA考试报名1700元
100
艾迪飞论坛
艾迪飞论坛B.listening
C.discarding
D.forwarding
QUESTION211
Whatspeedsmustbedisabledinamixed802.11b/gWLANtoallowonly802.11gclientstoconnect?
A.6,9,12,18
B.1,2,5.5,6
C.5.5,6,9,11
D.1,2,5.5,11
QUESTION212
Refertotheexhibit.WhichVLSMmaskwillallowfortheappropriatenumberofhostaddressesforNetwork
A?
A./25
B./26
C./27
D./28
QUESTION213
Refertotheexhibit.WhichsubnetmaskwillplaceallhostsonNetworkBinthesamesubnetwiththeleast
amountofwastedaddresses?
A.255.255.255.0
B.255.255.254.0
C.255.255.252.0
D.255.255.248.0
QUESTION214
Refertotheexhibit.WhichmaskiscorrecttousefortheWANlinkbetweentheroutersthatwillprovide
connectivitywhilewastingtheleastamountofaddresses?
A./23
B./24
C./25
D./30
QUESTION215
Refertotheexhibit.Whatisthemostappropriatesummarizationfortheseroutes?
A.10.0.0.0/21
B.10.0.0.0/22
C.10.0.0.0/23
D.10.0.0.0/24
QUESTION216
CCNA考试报名1700元
102
艾迪飞论坛
艾迪飞论坛WhichtwotasksdoestheDynamicHostConfigurationProtocolperform?
(Choosetwo.)
A.SettheIPgatewaytobeusedbythenetwork.
B.PerformhostdiscoveryusedDHCPDISCOVERmessage.
C.ConfigureIPaddressparametersfromDHCPservertoahost.
D.Provideaneasymanagementoflayer3devices.
E.MonitorIPperformanceusingtheDHCPserver.
F.AssignandrenewIPaddressfromthedefaultpool.
QUESTION217
Whichtwobenefitsareprovidedbyusingahierarchicaladdressingnetworkaddressingscheme?
(Choose
two.)
A.reducesroutingtableentries
B.auto-negotiationofmediarates
C.efficientutilizationofMACaddresses
D.dedicatedcommunicationsbetweendevices
E.easeofmanagementandtroubleshooting
QUESTION218
WhichtwobenefitsareprovidedbycreatingVLANs?
(Choosetwo.)
A.addedsecurity
B.dedicatedbandwidth
C.providessegmentation
D.allowsswitchestoroutetrafficbetweensubinterfaces
E.containscollisions
WhichtwolinkprotocolsareusedtocarrymultipleVLANsoverasinglelink?
(Choosetwo.)
A.VTP
B.802.1q
C.IGP
D.ISL
E.802.3u
QUESTION220
Whichtwoprotocolsareusedbybridgesand/orswitchestopreventloopsinalayer2network?
(Choose
two.)
A.802.1d
B.VTP
C.802.1q
D.STP
E.SAP
QUESTION221
Onthenetwork131.1.123.0/27,whatisthelastIPaddressthatcanbeassignedtoahost?
A.131.1.123.30
B.131.1.123.31
C.131.1.123.32
D.131.1.123.33
QUESTION222
Theipsubnetzerocommandisnotconfiguredonarouter.WhatwouldbetheIPaddressofEthernet0/0
usingthefirstavailableaddressfromthesixthsubnetofthenetwork192.168.8.0/29?
A.192.168.8.25
B.192.168.8.41
C.192.168.8.49
D.192.168.8.113
QUESTION223
Forthenetwork192.0.2.0/23,whichoptionisavalidIPaddressthatcanbeassignedtoahost?
A.192.0.2.0
B.192.0.2.255
C.192.0.3.255
D.192.0.4.0
QUESTION224
Howmanyaddressesforhostswillthenetwork124.12.4.0/22provide?
A.510
B.1022
C.1024
D.2048
QUESTION225
WheredoesroutingoccurwithintheDoDTCP/IPreferencemodel?
A.application
B.internet
C.network
D.transport
WhichVTPmodeiscapableofcreatingonlylocalVLANsanddoesnotsynchronizewithotherswitchesin
theVTPdomain?
A.client
B.dynamic
C.server
D.static
E.transparent
QUESTION227
WhichswitchwouldSTPchoosetobecometherootbridgeintheselectionprocess?
A.32768:
11-22-33-44-55-66
B.32768:
22-33-44-55-66-77
C.32769:
11-22-33-44-55-65
D.32769:
22-33-44-55-66-78
QUESTION228
Aswitchisconfiguredwithallportsassignedtovlan2withfullduplexFastEthernettosegmentexisting
departmentaltraffic.WhatistheeffectofaddingswitchportstoanewVLANontheswitch?
A.Morecollisiondomainswillbecreated.
B.IPaddressutilizationwillbemoreefficient.
C.Morebandwidthwillberequiredthanwasneededpreviously.
D.Anadditionalbroadcastdomainwillbecreated.
QUESTION229
WhichtwostatementsabouttheuseofVLANstosegmentanetworkaretrue?
(Choosetwo.)
A.VLANsincreasethesizeofcollisiondomains.
B.VLANsallowlogicalgroupingofusersbyfunction.
C.VLANssimplifyswitchadministration.
D.VLANsenhancenetworksecurity.
QUESTION230
Oncorporatenetwork,hostsonthesameVLANcancommunicatewitheachother,buttheyareunableto
communicatewithhostsondifferentVLANs.WhatisneededtoallowcommunicationbetweentheVLANs?
A.arouterwithsubinterfacesconfiguredonthephysicalinterfacethatisconnectedtotheswitch
B.arouterwithanIPaddressonthephysicalinterfaceconnectedtotheswitch
C.aswitchwithanaccesslinkthatisconfiguredbetweentheswitches
D.aswitchwithatrunklinkthatisconfiguredbetweentheswitches
QUESTION231
WhenaDHCPserverisconfigured,whichtwoIPaddressesshouldneverbeassignabletohosts?
(Choose
two.)
A.networkorsubnetworkIPaddress
B.broadcastaddressonthenetwork
C.IPaddressleasedtotheLAN
D.IPaddressusedbytheinterfaces
E.manuallyassignedaddresstotheclients
F.designatedIPaddresstotheDHCPserver
QUESTION232
WhichstatementdescribestheprocessofdynamicallyassigningIPaddressesbytheDHCPserver?
A.Addressesareallocatedafteranegotiationbetweentheserverandthehosttodeterminethelengthof
theagreement.
B.Addressesarepermanentlyassignedsothatthehostsusesthesameaddressatalltimes.
C.Addressesareassignedforafixedperiodoftime,attheendoftheperiod,anewrequestforan
addressmustbemade.
D.Addressesareleasedtohosts,whichperiodicallycontacttheDHCPservertorenewthelease.
QUESTION233
WhichnetworkprotocoldoesDNSuse?
A.FTP
B.TFTP
C.TCP
D.UDP
E.SCP
Answer:
D
Explanation/Reference:
此题答案并不严格,严格讲DNS有两个端口号一个为TCP一个为UDP并且端口号都为53
DNS解析用UDP效率高但不能保证完整性
DNS服务器之间同步使用TCP保证数据正确
QUESTION234
Whentwohostsaretryingtocommunicateacrossanetwork,howdoesthehostoriginatingthe
communicationdeterminethehardwareaddressofthehostthatitwantsto"talk"to?
A.RARPrequest
B.ShowNetworkAddressrequest
C.ProxyARPrequest
D.ARPrequest
E.ShowHardwareAddressrequest
QUESTION235
Host1istryingtocommunicatewithHost2.Thee0interfaceonRouterCisdown.Whichofthefollowing
aretrue?
(Choosetwo.)
CCNA考试报名1700元
107
艾迪飞论坛
艾迪飞论坛A.RouterCwilluseICMPtoinf
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