网络学院25.docx
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网络学院25
1
窗体顶端
Refertotheexhibit.AllroutersintheexhibitarerunningRIPv1.ThenetworkadministratorissuestheshowiproutecommandonrouterA.Whatrouteswouldappearintheroutingtableoutputifthenetworkisconverged?
(Choosetwo).
R192.168.2.0/24[120/1]
C192.168.2.0/24[120/1]
R10.10.3.0/24[120/0]
C10.10.3.0/24[120/1]
R10.10.1.0/24[120/2]
R10.10.1.0/24[120/3]
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
Option1andOption5arecorrect.
1pointforeachcorrectoption.
0pointsifmoreoptionsareselectedthanrequired.
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.3.1VerifyingRIP:
showiproute
2
窗体顶端
Refertotheexhibit.Router1isrunningRIPv1.WhatcommandwasenteredintoRouter1toconfigurethegatewayoflastresort?
noauto-summary
ipdefault-network0.0.0.0
ipdefault-gateway10.0.0.0
iproute0.0.0.00.0.0.0S0/0/1
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption4
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.5.1ModifiedTopology:
ScenarioC
3
窗体顶端
Refertotheexhibit.Router1andRouter2arerunningtheRIPv1protocol.Thenetworkadministratorconfiguresthecommandnetwork10.1.0.0onRouter1.WhatnetworkwillRouter1advertisetoRouter2?
10.1.0.0/16
10.1.0.0/8
10.0.0.0/16
10.0.0.0/8
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption4
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.4.5AdvantagesandDisadvantagesofAutomaticSummarization
4
窗体顶端
WhichofthefollowingwouldbethecorrectcommandsequencetoenableRIPonRouterBforallconnectednetworks?
RouterB#routerrip
RouterB(router)#network210.36.7.0
RouterB(router)#network220.17.29.0
RouterB(router)#network211.168.74.0
RouterB(config)#routerrip
RouterB(config-router)#network198.16.4.0
RouterB(config-router)#network211.168.74.0
RouterB(config-router)#network199.84.32.0
RouterB(config)#configurerouterrip
RouterB(config-router)#network210.36.7.0
RouterB(config-router)#network199.84.32.0
RouterB(config-router)#network211.168.74.0
RouterB(config)#routerrip
RouterB(config-router)#network198.16.4.0
RouterB(config-router)#network210.36.7.0
RouterB(config-router)#network211.168.74.0
RouterB(config)#routerrip
RouterB(config-router)#network198.16.4.0
RouterB(config-router)#network210.36.7.0
RouterB(config-router)#network220.17.29.0
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption5
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.2.3SpecifyingNetworks
5
窗体顶端
WhichcommandwilldisplayRIPactivityasitoccursonarouter?
debugiprip
showiproute
showipinterface
showipprotocols
debugipripconfig
showipripdatabase
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption1
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.3.3VerifyingRIP:
debugiprip
6
窗体顶端
WhichcommandorsetofcommandswillstoptheRIProutingprocess?
RouterB(config)#routerrip
RouterB(config-router)#shutdown
RouterB(config)#routerrip
RouterB(config-router)#networkno192.168.2.0
RouterB(config)#norouterrip
RouterB(config)#routernorip
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption3
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.2.2EnablingRIP:
routerripcommand
7
窗体顶端
Refertotheexhibit.RIPv1isrunningonallthreerouters.Allinterfaceshavebeencorrectlyconfiguredwithaddressesintheaddressrangesthatareshown.WhichroutewouldyouseeintheroutingtableonrouterCHIiftheroutersareconfiguredwiththecommandsthataredisplayedintheexhibit?
192.168.0.4/30
192.168.0.0/24
192.168.0.0/16
192.168.0.32/27
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption2
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.4.3ProcessingRIPUpdates
8
窗体顶端
Thefollowinglinewasdisplayedintheoutputoftheshowiproutecommand.
R192.168.3.0/24[120/3]via192.168.2.2,00:
00:
30,Serial0/0
Whatisthevalueoftheroutingmetric?
3
12
20
30
120
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption1
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.3.1VerifyingRIP:
showiproute
9
窗体顶端
WhichofthefollowingisconsideredalimitationofRIPv1?
RIPv1doesnotsendsubnetmaskinformationinitsupdates.
RIPv1isnotwidelysupportedbynetworkinghardwarevendors.
RIPv1consumesexcessivebandwidthbymulticastingroutingupdatesusingaClassDaddress.
RIPv1requiresenhancedrouterprocessorsandextraRAMtofunctioneffectively.
RIPv1doesnotsupportloadbalancingacrossequal-costpaths.
RIPv1authenticationiscomplicatedandtime-consumingtoconfigure.
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption1
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.4.3ProcessingRIPUpdates
10
窗体顶端
WhatarethreecharacteristicsoftheRIPv1routingprotocol?
(Choosethree.)
supportstheuseofVLSM
useshopcountasametric
considersametricof16asinfinity
hasanadministrativedistanceof110bydefault
includesthedestinationIPaddressandsubnetmaskinroutingupdates
calculatesmetricsusingtheBellmanFordalgorithm
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
Option2,Option3,andOption6arecorrect.
1pointforeachcorrectoption.
0pointsifmoreoptionsareselectedthanrequired.
3
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.1.2RIPv1CharacteristicsandMessageFormat
11
窗体顶端
WhatwillhappenifaninterfaceIPaddressisenteredfortheaddressportionofthenetworkcommandinaRIPv1configurationinsteadofanetworkaddress?
Therouterwillrejectthecommand.
AroutetothehostaddresswillbeaddedtooutgoingRIPupdates.
Aroutetothehostaddresswillbeaddedtotheroutingtable.
AllinterfacesinthesameclassfulnetworkastheconfiguredaddresswillbeincludedintheRIPv1routingprocess.
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption4
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.2.3SpecifyingNetworks
12
窗体顶端
Refertotheexhibit.AllroutersthatareshownarerunningtheRIProutingprotocol.AllunknownIPtrafficmustbeforwardedtotheISP.Whatrouterorsetofroutersarerecommendedtohavebothadefaultrouteandthedefault-informationoriginatecommandissuedtoimplementthisforwardingpolicy?
onlyRouter1
onlythegatewayrouter
allroutersinthenetwork
onlytherouterswithLANsneedingInternetaccess
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption2
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.5.2PropagatingtheDefaultRouteinRIPv1
13
窗体顶端
Refertotheexhibit.AllroutersareconfiguredwithvalidinterfaceaddressesintheindicatednetworksandarerunningRIPv1.Thenetworkisconverged.Whichroutesarepresentintheroutingtables?
Allroutershaveallroutesintheirroutingtable.
Allroutershaveall/30routes,butdonothave/24routesintheirroutingtable.
Allroutershaveall/30routes.RoutersAandEalsohavesomeofthe/24routesintheirroutingtable.
Allroutershaveall/30routes.RoutersBandDalsohavesomeofthe/24routesintheirroutingtable.
RoutersAandEhaveallroutes.RoutersBandDhaveonly/30routesintheirroutingtable.
RoutersAandEhaveonly/24routes.RoutersBandDhaveonly/30routesintheirroutingtable.
窗体底端
Observable
Description
MaxValue
1
correctnessofresponse
2pointsforOption3
0pointsforanyotheroption
2
Thisitemreferencescontentfromthefollowingareas:
CCNAExploration:
RoutingProtocolsandConcepts
∙5.4.3ProcessingRIPUpdates
14
窗体顶端
Refertotheexhibit.Anetworkconsistsofmultiplerouters.Whatcanbeverifiedwhentheshowipprotocolscommandisissuedononeoftheroutersin