计算机英语教程（第2版）（吕云翔）PPT全套完整教学课件.ppt

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2024-01-03 发布于福建
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计算机英语教程（第2版）（吕云翔）PPT全套完整教学课件.ppt

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SectionB:Wi-Fi（802.11）II.Choosethebestanswertoeachofthefollowingquestions.1．Whichofthefollowingisbackwardcompatible?A．ApplicationsunderWindows2000canworkunderWindows7B．ApplicationsunderWindows7canworkunderWindows2000C．ApplicationsunderWindows2000cannotworkunderWindows7D．Alloftheabove2．WhichofthefollowingisdesignedforWi-Figenerally?A．Typicallybetween300and900feetindoors B．Typicallybetween100and300feetindoorsC．Typicallybetween100and300feetoutdoors D．Alloftheabove3．Whichofthefollowingisthemostwidelyusedtoday?A．802.11wB．802.11nC．802.11sD．802.11uSectionB:Wi-Fi（802.11）III.Matcheachnumbereditemwiththemostcloselyrelatedlettereditem.Writeyouranswersinthespacesprovided.a.TCP/IPb.WiMAX(802.16)c.digitaltransmissiond.Ethernet(802.3)e.globalpositioningsystem(GPS)______1.AwirelessnetworkingstandardthatisfasterandhasagreaterrangethanWi-Fi______2.Anetworkingprotocolthatusespacketswitchingtofacilitatethetransmissionofmessages;theprotocolusedwiththeInternet_____3.Asystemthatusessatellitesandareceivertodeterminetheexactgeographiclocationofthereceiver______4.Atypeofdatatransmissionwherethedataisrepresentedby0sand1s______5.AwidelyusedwiredLANnetworkingstandard2.1SimulatedWriting:InstructionsIntroductionSomePreliminariesCommonSectionsFormatinInstructionsOtherUsefulInformationSample3.1Dialogue:SettingupWirelessNetworkExercises:CreatingaLANConnectionbetweenTwoPCs[1]Step1:Preparetheequipmentneeded.? Twocomputers? Acrossover(CrosscrimpedRJ45/CAT5)cable? ALAN(Ethernet)cardinbothcomputers[2]Step2:Connect2PCswiththecable.ConnectthecrosscrimpedEthernetcableintheLANRJ45portsofboththecomputers.[3]Step3:Configurethe2PCs.ConfigurethePC1.（1）ChangethenamesofPC1andtheworkgroup.