CCNACiscoChapter10Word文档格式.docx
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CCNACiscoChapter10Word文档格式.docx
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(Choosethree.)
HostsBandCareinthesamesubnet.
Fivebroadcastdomainsarepresent.
HostBisusingacrossovercabletoconnecttotherouter.
Fourbroadcastdomainsarepresent.
Fivenetworksareshown.
HostBisusingarollovercabletoconnecttotherouter.
3
Refertotheexhibit.Assumethatalldevicesareusingdefaultsettings.Howmanysubnetsarerequiredtoaddressthetopologythatisshown?
13457
4Whattypeofnetworkcableisusedbetweenaterminalandaconsoleport?
cross-over
straight-through
rollover
patchcable
5WhichoptionidentifiestheprimaryinterfacewhichwouldbeusedforinitialconfigurationofaCiscorouter?
AUXinterface
Ethernetinterface
serialinterface
consoleinterface
6
Refertotheexhibit.AnetworkadministratorhasdecidedtousepacketcapturesoftwaretoevaluatealltrafficfromthestudentsubnetonthewaytotheInternet.Toensurethatallpacketsarecaptured,whatnetworkdeviceshouldbeusedtoconnectthemonitoringstationtothenetworkbetweenR1andR2?
hub
router
firewallappliance
wirelessaccesspoint
7ToestablishaconsoleconnectionfromacomputertoaCiscorouter,whichcablewiringoptionwouldbeused?
crossovercable
straightthroughcable
rollovercable
V.35cable
8
Refertotheexhibit.Anetworktechnicianhasbeenallocatedthe192.168.1.0/24privateIPaddressrangeforuseinthenetworkthatshownintheexhibit.WhichsubnetmaskwouldbeusedtomeetthehostrequirementsforsegmentAofthisinternetwork?
255.255.255.128
255.255.255.192
255.255.255.224
255.255.255.240
255.255.255.248
9
Refertotheexhibit.Astudentissettingupahomenetworkprimarilyusedforextensivefiletransfers,streamingvideo,andgaming.Whichnetworkdeviceisbestsuitedtothesetypesofactivitiesinthetopologyshown?
switch
10
Refertotheexhibit.Whichthreestatementsidentifythetypeofcablingthatwouldbeusedinthesegmentsthatareshown?
Segment1usesbackbonecabling.
Segment1usesapatchcable.
Segment3usespatchcabling.
Segment3usesverticalcabling.
Segment3useshorizontalcabling.
Segment4usesverticalcabling.
11Acompanyisplanningtosubnetitsnetworkforamaximumof27hosts.Whichsubnetmaskwouldprovidetheneededhostsandleavethefewestunusedaddressesineachsubnet?
255.255.255.0
12Howmanyhostaddressesmaybeassignedoneachsubnetworkwhenusingthe130.68.0.0networkaddresswithasubnetmaskof255.255.248.0?
30
256
2046204840944096
13WhichthreetypesofconnectorsarecommonlyassociatedwithCisco'
sV.35serialcables?
RJ11
DB60
Winchester15pin
DB9
smartserial
RJ45
14Whatdoestheterm"
attenuation"
meanindatacommunication?
lossofsignalstrengthasdistanceincreases
timeforasignaltoreachitsdestination
leakageofsignalsfromonecablepairtoanother
strengtheningofasignalbyanetworkingdevice
15Whichdeviceisusedtocreateordividebroadcastdomains?
bridge
repeater
16
Refertotheexhibit.WhatdestinationIPaddresswillPC1placeintheheaderforapacketdestinedforPC2?
192.168.1.1
192.168.2.1
192.168.2.2
192.168.3.1
192.168.3.54
17Whichsubnetmaskwouldbeassignedtothenetworkaddressof192.168.32.0toprovide254useablehostaddressespersubnetwork?
255.255.0.0
255.255.254.0
255.255.248.0
18
Refertotheexhibit.Astudentworkinginthelabselectsacablethatiswiredasshown.Whichconnectiontypescansuccessfullybemadewiththiscable?
connectingaPCtoarouter'
sconsoleport
connectingtworouterstogetherviatheirfastethernetports
connectingtwoswitchestogetheratgigabitspeeds
connectingaPCtoaswitchatGigabitEthernetspeeds
connectingtwodeviceswiththesameinterfacetypeatFastEthernetspeeds
19Anetworkadministratorisrequiredtousemediainthenetworkthatcanrunupto100metersincablelengthwithoutusingrepeaters.Thechosenmediamustbeinexpensiveandeasilyinstalled.Theinstallationwillbeinapre-existingbuildingwithlimitedcablingspace.Whichtypeofmediawouldbestmeettheserequirements?
STP
UTP
coaxial
single-modefiber
multimodefiber
20Whatmakesfiberpreferabletocoppercablingforinterconnectingbuildings?
greaterdistancespercablerun
lowerinstallationcost
limitedsusceptibilitytoEMI/RFI
durableconnections
greaterbandwidthpotential
easilyterminated
21
Refertotheexhibit.BasedontheIPconfigurationshown,whatwouldbetheresultofHostAandHostBattemptingtocommunicateoutsidethenetworksegment?
bothhostAandBwouldbesuccessful
hostAwouldbesuccessful,hostBwouldfail
hostBwouldbesuccessful,hostAwouldfail
bothHostAandBwouldfail
22
Refertotheexhibit.Howmanysubnetsarerequiredtosupportthenetworkthatisshown?
3
4
5
23Whichthreestatementsaretrueabouttheroleofroutersinthenetwork?
Theypropagatebroadcasts.
Theyenlargecollisiondomains.
Theysegmentbroadcastdomains.
Theyinterconnectdifferentnetworktechnologies.
Eachrouterinterfacerequiresaseparatenetworkorsubnet.
TheymaintainacommonframeformatbetweenLANandWANinterfaces
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