计算机一级考试选择题题库之计算机网络基础题及答案docWord文档下载推荐.docx

计算机一级考试选择题题库之计算机网络基础题及答案docWord文档下载推荐.docx

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C・developtheeducationcultured.toservetheU.S.military

3.Thecomputernctworkisscatteredarrangementwithcommunicationlinesofmanyspecialindependentcomputerandexternalequipmentinterconnection,andwiththecorresponding_Cofsystem・

A.systemb.applicationsoftware

C.networksoftwared.operatingsystem

ThepurposeofcomputernetworkisC・

A.improvecomputerspeedb.connecttomultiplecomputers

C.sharesoft,hardware,anddataresourcesd.implementdistributedprocessing

Thetwomaintechnologiesinvolvedincomputernetworktechnologyarecomputertechnologyand_B・

A.microelectronictechnologyb.communicationtechnologyc.dataprocessingtechnologyd.automation

Thecomputernetworkisclassifiedaccordingtoitscoverage,whichcanbeclassifiedasLANandC・

A.TheInternet

C.wand.campusnetwork

Bforthecomputerwidearea

Thefollowingnetworkisnetwork.

Thefollowingnetworkisbasedon

C.theInternet

Thecomputernetworkisclassifiedbyitstopologicalstructure,

whichcanbedividedintomesh,bus,ring,treeandA・

A

C.televisionnetworkd.telephonenetwork

Computernetworksareclassifiedaccordingtotheir

transmissionbandwidth,whichcanbedividedintobasebandand

_C.

C・broadbandInternet

Computernetworksareclassifiedaccordingtothenetwork

operatingsystemtheyuse,whichcanbedividedintoWindows

NT（Windows2000AdvanceServer）,NetWare,andB_・

A.TCP/IPnetworkb.unix（Linux）

C.Windows995/98

ThenetworkoperatingsystemusedbyNovellis_D.

A.DOSb.Windows98

C.Unixd.NetWare

TheLANis

A.theInternetisshortforEnglish

C.theEnglishabbreviationfortheareanetwork

TheWANis—B_.

MANis—C—.

ThecomputernetworkisD・

A.theworkstationandtheservermakeuptheb.clientandserver

C.communicationmediaandnodedevicesconstitute止communicationsubnetsandresourcesubnets

B_isresponsibleforthedatatransmissionandcommunicationprocessingofthewholenetwork・

A.computerb.com

C）resourcesubnetd.nic

_Cisresponsiblefornetworkdataprocessingandthe

provisionofresourcesandwebservicestowebusersA.computerb・com

Anycomputerconnectedtoacomputernetwork,whetheritisagiantcomputeroramicrocomputer,iscalledD・

A.serverb.workstation

C.clientd.host

EverycomputerinthecomputernetworksystemisC・

A.theycontroleachother

C.separateD

ComputernetworkresourcesharingisprimarilySharedB・

A.workstationandserverb.softwareresources,hardware

resources,anddataresources

C.

Communicationmediaandnodedeviced.clientandserver

Themostprominentadvantageofcomputernetworksis—D・

A.highprecisionb.memory

C.computingspeedd.sharingresources

WhichofthefollowingisnotafunctionthatthenetworkcanimplementD・

Datacommunicationb.resourcesharing

C.loadbalancingd.controlotherworkstations

Theresourcesinthecomputernetworksystemfallintothreecategories:

dataresources,softwareresources,andC・

A.deviceresourcesb・programresources

C.hardwareresourcesd.fileresources

Thecommunicationbetweencomputersinthenetworkisachievedthrough_B,whichisanagreementthatthetwopartiesmustadhereto.

A.networkb.communicationprotocol

C.diskd.telephoneexchangeequipment

Thecomputernetworkprotocolisasetof_cforensuring

accuratecommunication.

A.useroperationspecificationb.hardwareandelectricalspecifications

C・rulesorconventionsd・programminggrammar

Theinternationalstandardizationorganizationforthevarioustransmissioncontrolprocedures（thatis,thetransportprotocol）is_B・

A.Intelb.ISO

A.APRAd.IBM

TheOSI/RMprotocolmodelspecifiesthecommunicationprotocolofthecomputernetworkarchitectureas_B・

A.5-layerb.seven

C.3D.

AtthenetworklayeroftheOSI/RMprotocolmodel,thebasicunitofdatatransferis_c・

frame

C.groupd.message

BelowisadescriptionoftheLAN,whichiscorrectforA・

ThecomputerinthenetworkisonlyAcomputer

C・Theextentofthecommunicationerrorrateonthenetworkishigher・Theareaofthenetworkisusuallyseveralmeters

toseveralhundredmeters

Inthefollowingnetwork,theIansare―D・

A.Internetb・Internet

C.Chinaeducationresearchnetworkd.campuscomputernetwork

Themaximumdista