文档介绍：workAbstract:work,AbriefintroductionontheLANtounderstanditsbasicstructure,characteristics,-relatedtechnologies,suchasitsrole,functions・Finally,work,:LANSummaryLANconcepts:LANisdispersedwithinalimitedgeographicalarea(suchasabuilding,asector)works,throughfull-・ordingtotheLAN,workhasthefollowingfeatures:,・Forexample,acompany,aunitofablockofflats,:servers,workstations,workoperatingsystem,workprotocolandthecorrespondingprotocolsoftware,workapplicationsoftware・・,Unix,linux,・ordingtogeographiclocation,workLAN,(work,referredtoasLAN)puters・ordingtotheLAN,workhasthefollowingfeatures:,・Forexample,acompany,aunitofablockofflats,(work,referredtoasWAN)workisthe"works).・accordingtosub-works・LANisusuallyasingletransmissionmedium,,twistedpair,work・Usingtwisted-workingmethods・Itisinexpensive,easytoinstall,ointerferenee,lowtransmissionrate,,transmissiondistaneeislong,thetransmissionrate,andstronganti・interferenee,,infrared,icwavesasthetransmissionmedium,workingmeansflexibility,workingmode・Atpresent,workingaswell.・ordaneewiththeobjectclassification,works,works,etc・types・,work,work・Forasmallbusiness,・workisauniversity,secondary,"XiaoJiaotong”projectstar