网院答案12.docx
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网院答案12.docx
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网院答案12
1
窗体顶端
Whichtwostatementscorrectlydescribethecomponentsofarouter?
(Choosetwo.)
RAMpermanentlystorestheconfigurationfileusedduringthebootsequence.
ROMcontainsdiagnosticsexecutedonhardwaremodules.
NVRAMstoresabackupcopyoftheIOSusedduringthebootsequence.
Flashmemorydoesnotloseitscontentsduringareboot.
ROMcontainsthemostcurrentandmostcompleteversionoftheIOS.
FlashcontainsbootsystemcommandstoidentifythelocationoftheIOS.
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
Option2andOption4arecorrect.
1pointforeachcorrectoption.
0pointsifmoreoptionsareselectedthanrequired.
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.1.2RouterCPUandMemory
2
窗体顶端
WhichinterfacesintheexhibitcouldbeusedforaleasedlineWANconnection?
(Choosetwo.)
1
2
3
4
5
6
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
Option1andOption4arecorrect.
1pointforeachcorrectoption.
0pointsifmoreoptionsareselectedthanrequired.
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.1.5RouterInterfaces
3
窗体顶端
Ifaroutercannotfindavalidconfigurationfileduringthestartupsequence,whatwilloccur?
Thestartupsequencewillreset.
Therouterwillprompttheuserforaresponsetoentersetupmode.
Thestartupsequencewillhaltuntilavalidconfigurationfileisacquired.
Therouterwillgenerateadefaultconfigurationfilebasedonthelastvalidconfiguration.
Therouterwillmonitorlocaltraffictodetermineroutingprotocolconfigurationrequirements.
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption2
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.1.4RouterBoot-upProcess
4
窗体顶端
Whichofthefollowingisthecorrectflowofroutinesforarouterstartup?
loadbootstrap,loadIOS,applyconfiguration
loadbootstrap,applyconfiguration,loadIOS
loadIOS,loadbootstrap,applyconfiguration,checkhardware
checkhardware,applyconfiguration,loadbootstrap,loadIOS
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption1
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.1.4RouterBoot-upProcess
5
窗体顶端
Whatisthedefaultsequenceforloadingtheconfigurationfile?
NVRAM,FLASH,ROM
FLASH,TFTP,CONSOLE
NVRAM,TFTP,CONSOLE
FLASH,TFTP,ROM
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption3
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.1.4RouterBoot-upProcess
6
窗体顶端
FromwhatlocationcanarouterloadtheCiscoIOSduringthebootprocess?
(Choosetwo.)
RAM
TFTPserver
NVRAM
setuproutine
Flashmemory
terminal
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
Option2andOption5arecorrect.
1pointforeachcorrectoption.
0pointsifmoreoptionsareselectedthanrequired.
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.1.4RouterBoot-upProcess
7
窗体顶端
Whicharefunctionsofarouter?
(Choosethree.)
packetswitching
extensionofnetworksegments
segmentationofbroadcastdomains
selectionofbestpathbasedonlogicaladdressing
selectionofbestpathbasedonphysicaladdressing
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
Option1,Option3,andOption4arecorrect.
1pointforeachcorrectoption.
0pointsifmoreoptionsareselectedthanrequired.
3
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.1.1RoutersareComputers
8
窗体顶端
Whatthreeprocessesdoesarouterexecutewhenitreceivesapacketfromonenetworkthatisdestinedforanothernetwork?
(Choosethree.)
decapsulatestheLayer3packetbystrippingofftheLayer2frameheader
usesthedestinationMACAddressintheIPHeadertolookupthenext-hopaddressintheroutingtable
leavestheLayer2frameheaderintactwhendecapsulatingtheLayer3packet
usesthedestinationIPAddressintheIPheadertolookupthenext-hopaddressintheroutingtable
encapsulatestheLayer3packetintothenewLayer2frameandforwardsitouttheexitinterface
encapsulatestheLayer3packetintoaspecialLayer1frameandforwardsittotheexitinterface
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
Option1,Option4,andOption5arecorrect.
1pointforeachcorrectoption.
0pointsifmoreoptionsareselectedthanrequired.
3
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.4.5SwitchingFunction
9
窗体顶端
ThenetworkadministratorneedstoconnecttworoutersdirectlyviatheirFastEthernetports.Whatcableshouldthenetworkadministratoruse?
straight-through
rollover
cross-over
serial
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption3
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.1.5RouterInterfaces
10
窗体顶端
Refertotheexhibit.Whatcanbeconcludedfromtheoutputoftherunning-configurationofarouter?
Thepasswordsareencrypted.
ThecurrentconfigurationwassavedtoNVRAM.
Theconfigurationthatisshownwillbetheoneusedonthenextreboot.
Thecommandsthataredisplayeddeterminethecurrentoperationoftherouter.
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption4
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.2.2BasicRouterConfiguration
11
窗体顶端
Whichtwostatementsdescribecharacteristicsofloadbalancing?
(Choosetwo.)
Loadbalancingoccurswhenaroutersendsthesamepackettodifferentdestinationnetworks.
Loadbalancingoccurswhenthesamenumberofpacketsaresentoverstaticanddynamicroutes.
Loadbalancingallowsaroutertoforwardpacketsovermultiplepathstothesamedestinationnetwork.
UnequalcostloadbalancingissupportedbyEIGRP.
Ifmultiplepathswithdifferentmetricstoadestinationsexist,theroutercannotsupportloadbalancing.
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
Option3andOption4arecorrect.
1pointforeachcorrectoption.
0pointsifmoreoptionsareselectedthanrequired.
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.4.3EqualCostLoadBalancing
12
窗体顶端
Refertotheexhibit.Whatcanbeconcludedfromtheroutingtableoutputintheexhibit?
(Choosetwo.)
Thisrouteronlyhastwointerfaces.
Therouterinterfacesarenotoperationalyet.
Thisrouterisconfiguredtoforwardpacketstoremotenetworks.
TheFastEthernet0/0andSerial0/0/0interfacesofthisrouterwereconfiguredwithanIPaddressandthenoshutdowncommand.
AnIPpacketreceivedbythisrouterwithadestinationaddressof198.18.8.2willbeforwardedoutoftheSerial0/0/0interface.
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
Option4andOption5arecorrect.
1pointforeachcorrectoption.
0pointsifmoreoptionsareselectedthanrequired.
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.3.2Directly-ConnectedNetworks
13
窗体顶端
Theserialconnectionshowninthegraphicneedstobeconfigured.WhichconfigurationcommandsmustbemadeontheSydneyroutertoestablishconnectivitywiththeMelbournesite?
(Choosethree.)
Sydney(config-if)#ipaddress201.100.53.2255.255.255.0
Sydney(config-if)#noshutdown
Sydney(config-if)#ipaddress201.100.53.1255.255.255.224
Sydney(config-if)#clockrate56000
Sydney(config-if)#iphostMelbourne201.100.53.2
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
Option1,Option2,andOption4arecorrect.
1pointforeachcorrectoption.
0pointsifmoreoptionsareselectedthanrequired.
3
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙1.2.2BasicRouterConfiguration
14
窗体顶端
PasswordscanbeusedtorestrictaccesstoallorpartsoftheCiscoIOS.Selectthemodesandinterfacesthatcanbeprotectedwithpasswords.(Choosethree.)
VTYinterface
consoleinterface
Ethernetinterface
secretEXECmode
privilegedEXECmode
routerconfigurationmode
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
Option1,Option2,andOption5arecorrect.
1pointforeachcorrectoption.
0pointsifmoreoptionsareselectedtha
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- 答案 12
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