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1、web基础以及web与应用程序的区别WhatisaWebbrowser?Thebrowser(Browse)isanapplicationforbrowsinginformationthatdisplaysWebpagesandinterpretedscripts,currentlycommonlyusedwithInternetExplorer(IE)andNetscapeNavigator・Thebrowserfetchestherequestedpageandtheninterpretsthetextandfo
2、rmatcomma.ndsonit,anddisplaysitinthecorrectformatonthescreen.Inessence,thebrowserisaprogramthatdisplaysWebpages,andcapturesthemouseclickeventsthathavedisplayedtheitemsonthepage・Whenaprojectisselected,thebrowserfollowsthehyperlinkandreturnstheselectedpage・Theref
3、ore,anembeddedhyperlinkrequiresawaytonameanyotherpageontheWeb.EachWebpageinthenetworkhasauniqueaddress,whichiscalledtheuniformresourcelocationaddress・EntertheURLinthebrowser(UniformResourceLocator,thecommonResourceLocator,commonlyknownas"URL〃)，andyoucanaccessth
4、epagethattheURLpointsto.WhatisaWebserver?WebServer(WebServer)isthemaintaskoftheaccepttheuser，srequest,andthenexecutethecorrespondingapplicationandthedatabaseconnection,throughmethodssuchasSQLrequeststothedatabaseServerdataprocessing,databaseServerwillbetheresul
5、tofdataprocessingtoaWebServer,andthentransmittothedientbytheServer・WebserversforsmallwebsitesusuallychoosetousePCservers,andlargersitesusuallychoosetousesmallcomputerservers・TheoperatingsystemofaPCserveristypicallyWindowsNT/20001,inux,andasmallmachineserverisge
6、nerallyaUNIXoperatingsystem・CurrentlypopularWebServer,freesoftwareApacheandnetscapeiPlanetWebServeristhebestproduct,tosupportmultipleplatforms,Microsoft，sInternetInformationServer(InternetInformationServer,IIS)canrunonWindowsplatform,andofficeautomationsystemof
7、LotusDominoWebServer,WebServer,suchasintheOracledatabasesystem・(1)thechoiceoftheWebserver・WhenchoosingaWebserver,thechoiceofperformanceshouldbebasedonthepresent,withafocusonthefuture,andstrivetomaximizethebenefitoftheinvestment・MostWebserversareoptimizedforapar
8、ticularoperatingsystem,sochoosingaWebserverrequiresconsiderationoftheoperatingsystem・FortheperformanceoftheWebserver,considerthefollowingaspects:1)responsespeed.Thefasterthe
