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1、冻”电aA洗计算机网络（双语）论文作者：学号：院系：自动化工程学院专业：测控技术与仪器题冃：LANSummaryandThedesignanddescriptionoftheschoolLANLANSummaryandThedesignanddescriptionoftheschoolLANZhcingzhiqiang(SchoolofAutomationEngineering,NortheastDianliUniversity,)Abstract:LANisasmallnetwork,usuallyarreingedinanorganizedofficearea.Rat
2、her,localareanetworksandwideareanetworkonlycorrespondstooneword,andthereisnostrictdefinition,anysmall-scalecommunicationsequipmentwithinafinitenumberofinterconnectedcommunicationsnetworkscanbecalledalocalareanetwork.Withtheextensiveapplicationofcommunicationtechnology,therapiddevelopmento
3、flocalareanetworkshasbecomeincreasinglymature,itisnotonlyabletomeetpeople"sneeds,butalsoconducivetotheaccelerationofthepaceofpeople"slivesandimprovethepeople"slivingstandards.LAN"sproductshavematured,aretoitssuperiorflexibilityandconvenienceofthenetworkapplicationsplayanincreasinglyimport
4、antrole.Keywords:LAN;VLAN;SWITCH;CABCLEChapter1LANSummary1.LANDefinition、FunctionandFeatures4.LANDefinitionLAN(LocalAreaNetwork),isdefinedaswithinaregionbyanumberofcomputersinterconnectedintothecomputergroup.〃Anarea，zreferstothesameoffice,samebuilding，samecompanyandthesameschools,etc.,gen
5、erallywithinafewkilometersradius.LANcnablesdocumentmanagcment,applicationsharing,printersharing,(scannersharing(Note:Thescannercannotbeshared))WorkingGroupwithintheschedule,e-mailandfaxcommunicationsservicesfunctions.LANisclosed,andcanbecomposedoftwocomputerswithinlheofficecanalsobebyacom
6、panycomposedofthousandsofcomputers.1.1.2LANFunctionLANmainfunctionistoprovideresourcesharingandmutualcommunication,itprovidesthefollowingkeyservices:Thesharingofresources,includinghardwareresourcesharing,software,resourcesharinganddatasharinginvcntory.Datatransferande-mail.DataandFileTran
7、sferisanetworkofimportantfunctions，themodernlocalareanetworkcanbeconvcyednotonlythedocumcnts,dataandinformation,youcanalsosendvoice,image.Toimprovethereliabilityofcomputersystems.Easytodistributedprocessing.1.1.3LANFeatures1.3.1Coveringasmallgeographicrange,fromoneo
