计算机网络基础部分答案.doc

《计算机网络基础部分答案.doc》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、计算机网络基础部分答案Whatstageisthedevelopmentprocessofcomputernetworkgoingthrough?Whatarethecharacteristicsofeachstage?Phaseone:computertechnologyandcommunicationstechnologycombinetoformtheprototypeofacomputernetwork.Aterminalremoteonlinesystem,whichisanonlinesystemforasinglecomp

2、uterandhasnodataprocessingcapability・Stage2:inthecomputercommunicationnetwork,thenetworkarchitectureandprotocolresearcharecompleted,thecomputernetworkisformed・PublicdatanetworksandLANtechnologieshavedevelopedrapid1y.Thestructureofthenetwork'sresourcesubnetandthecommunica

3、tionsubnetmakesthenetwork'sdataprocessinganddatacommunicationwithaclearfunctionalinterface・Thethirdstage:inthebackgroundtosolvetheproblemofstandardizationofcomputernetworkandthenetworkinterconnection,theopensystemsinterconnectionreferencemodelandprotocolisputforward,itpr

4、omotedthesymbolinternationalstandardsforthedevelopmentofcomputernetworktechnology.ISOforma11yformulatedthe"opensysteminterconnectionreferencemodel"Stage4:thecomputernetworkdevelopsinthedirectionofinterconnection,highspeed,intelligentdirection,andobtainsextensiveapplicati

5、onWhatarethemainfunctionsofthecomputernetwork?Whatisthemaindifferencebetweenitanddistributedsystems?Mainfunctions:(1)real-timecentralizedcontrolandmanagementfunction(2)resourcesharingfunctionfordistributedobjects(3)balancedloadanddistributedprocessingfunctions(4)integrat

6、edinformationservicefunctionsBothincommonperformanceindistributedsystemsisbasedoncomputernetwork:thedifferencebetweenthetwomainperformanceinadistributedoperatingsystemandnetworkoperatingsystemdesignthought,structure,workmodeandfunctionaredifferent・Whatisthebasiccompositi

7、onofcomputernetworks?Abriefexplanationoftheroleofeachpart・Atypicalcomputernetworkconsistsmainlyofcomputersystems,datacommunicationsystems,networkcommunicationprotocolsandsoftware・Whatisane-commercesystem?Howshouldtheelectronicbusinesssystemsolvesecurityproblems?E-commerc

8、esystemisoneoftheelectronicdataprocessing,universalnetwork,dataexchangetechnologyasthefoundation,setord