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1、计算机网络教程自顶向下方法选择题及答案Chaptllntroduction-QUIZZChapter1Introduction1.Alocalareanetwork(LAN)isdefinedby.A) thegeometricsizeofthenetworkB) themaximumnumberofhostsinthenetworkC) themaximumnumberhostsinthenetworkand/orthegeometricsizeofthenetworkD) thetopologyofthenetwork2.Thelargestgeographicareaawidearean
2、etwork(WAN)canspanisA) atownB) astateC) acountryD) theworld3.TheTCP/IPprotocolsuiteconsistsoflayers.A) twoB) threeC) fiveD) six4.ArouterisinvolvedinlayersoftheTCP/IPprotocolsuite.A) twoB) threeC) fourD) five5.Alink-layerswitchisinvolvedinlayersoftheTCP/IPprotocolsuite.A) twoB) threeC) fourD) five6.I
3、ntheTCP/IPprotocolsuite,whichofthefollowingisanapplicationlayerprotocol?A) TheUserDatagramProtocol(UDP)B) TheInternetProtocol(IP)C) TheFileTransferProtocol(FTP)D) theTransmissionControlProtocol(TCP)7.IntheTCP/IPprotocolsuite,whichofthefollowingisatransportlayerprotocol?A) TheInternetControlMessagepr
4、otocol(ICMP)B) TheInternetProtocol(IP)C) TheAddressResolutionProtocol(ARP)D) TheTransmissionControlProtocol(TCP)8.IntheTCP/IPprotocolsuite,whichofthefollowingisanetworklayerprotocol?A) TheStreamControlTransmissionProtocol(SCTP)B) TheSecureShell(SSH)C) TheInternetProtocol(IP)D) UserDatagramProtocol(U
5、DP)9.Thetransport-layerpacketintheTCP/IPprotocolsuiteiscalledA) amessageB) adatagramC) asegmentorauserdatagramD) aframe10.IntheTCP/IPprotocolsuite,thelayerisresponsibleformovingframesfromonehop(node)tothenext.A) physicalB) datalinkC) transportD) network11.IntheTCP/IPprotocolsuite,thephysicallayerisc
6、oncernedwiththemovementofoverthephysicalmedium.A) programsB) dialogsC) protocolsD) bits12.IntheTCP/IPprotocolsuite,aportnumberistheidentifieratthe.A) applicationlayerB) transportlayerC) networklayerD) physicallayer13.IntheTCP/IPprotocolsuite,alogicaladdressistheidentifieratthe.A) networklayerB) tran
7、sportlayerC) data-linklayerD) applicationlayer14.Thelayerisresponsibleforthedeliveryofamessagefromoneprocesstoanother.A) physicalB) transportC) networkD) application15.TheInternetProtocol(IP)isprotocol.A) areliableB) aconnection-orientedC) areliableandconnection-orientedD) anunreliable16.Theapplicat
8、ionlayerintheTCP/IPprotocolsuiteisusuallyconsideredtobethecombinationoflayersintheOSImodelA) application,presentation,andsessionB) application,transport,andnetworkC) application,data-linkzandphysicalD) network,data-linkzandphysical17.Aproposedstandardiselevatedtostandardstatusafteratleasttwosuccessf
9、ultries.A) informationalB) historicC) draftD) Noneofthechoicesarecorrect18.AnRFCislabeledifitmustbeimplementedbyallInternetsystems.A) requiredB) electiveC) recommendedD) Noneofthechoicesarecorrect19.IntheoriginalARPANET,weredirectlyconnectedtoeachother.A) interfacemessageprocessors(IMPs).B) hostcomp
10、utersC) networksD) routers20.wasformedtoconnectuniversitieswithnodefenseties.A) ARPANETB) CSNETC) NSFNETD) ANSNET21.CurrentlyisresponsibleforthemanagementofInternetdomainnamesandaddressesA) NICB) ICANNC) ISOCD) IEFE22.InTCP/IRamessageattheapplicationlayerisencapsulatedinapacketatthelayer.A) networkB
11、) transportC) datalinkD) physical23.InTCP/IRamessageatthetransportlayerisencapsulatedinapacketatthelayer.A) networkB) transportC) datalinkD) physical24.InTCP/IRamessagebelongingtothenetworklayerisdecapsulatedfromapacketatthelayer.A) networkB) transportC) datalinkD) physical25.InTCP/IRamessagebelongi
12、ngtothetransportlayerisdecapsulatedfromapacketatthelayer.A) networkB) transportC) datalinkD) physical26.InTCP/IRalogicalconnectionbetweenanentityatthenetworklayercanbemadewithanotherentityatthelayer.A) networkB) transportC) datalinkD) physical27.InTCP/IRalogicalconnectionbetweenanentityatthedata-Iinklayercanbemadewithanotherentityatthelayer.A) networkB) transportC) datalinkD) physical28.InTCP/IRapacketatthethirdlayercarriesdatabelongingtothelayerandtheheaderbelongingtothelayer.A) third;thirdB) third;fourthC) fourth;thirdD) fourth;fourthADCBACDCCBDBABDACAABBBACBACC
