Wired Ethernet networks are superior to wireless networks because?

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查看11 | 回复4 | 2011-8-24 03:54:45 | 显示全部楼层 |阅读模式
a.theygenerallyprovidefasterdatathroughput.b.theyarelesssusceptibletosignalinterference.
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千问 | 2011-8-24 03:54:45 | 显示全部楼层
b.有线宽带比无线宽带好的原因是因为有线的信号更不容易受到影响。追问但是不是有线也比无线快吗
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千问 | 2011-8-24 03:54:45 | 显示全部楼层
就带宽而言,无线也能做到和有线一样的带宽,甚至比有线更宽。比如118MB的无线路由器和1000mb的无线网卡再和100MB的有线网卡相比。
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千问 | 2011-8-24 03:54:45 | 显示全部楼层
哦好的谢谢
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千问 | 2011-8-24 03:54:45 | 显示全部楼层
你先看看系统服务里802.11开没.右键点[我的电脑---管理----服务和应用程序---服务,右侧列表找--WirelessZeroConfiguration]双击,启动类型--自动---启动.打开无线开关,重启电脑.-------------嗯,疏忽了,是Vista.它的主要服务是这个802.11,也就是wiredAutoconfig.相关还有不少服务需要同时开着.比如RPC/Ndis/WLAN/Dcom,这些都写在服务的依存关系里了.他要什么你就给他开什么.下个完全版的系统比较省心.或者找朋友弄一份默认服务清单.另外问一下,没反应是什么状态,完全没动静?是否路由设置了不广播/没开启无线?(这里转帖一个,如果系统只是设置而没有删除相关文件,可以直接恢复设置到默认)---U版默认服务scconfigAxInstSVstart=demandscconfigAeLookupSvcstart=autoscconfigAppinfostart=demandscconfigALGstart=demandscconfigAppMgmtstart=demandscconfigBITSstart=autoscconfigBFEstart=autoscconfigwbenginestart=demandscconfigCertPropSvcstart=demandscconfigKeyIsostart=demandscconfigEventSystemstart=autoscconfigCOMSysAppstart=demandscconfigBrowserstart=autoscconfigCryptSvcstart=autoscconfigDcomLaunchstart=autoscconfigUxSmsstart=autoscconfigDFSRstart=demandscconfigDhcpstart=autoscconfigDPSstart=autoscconfigWdiServiceHoststart=demandscconfigWdiSystemHoststart=demandscconfigTrkWksstart=autoscconfigMSDTCstart=demandscconfigDnscachestart=autoscconfigEapHoststart=demandscconfigfdPHoststart=demandscconfigFDResPubstart=autoscconfiggpsvcstart=autoscconfighkmsvcstart=demandscconfighidservstart=demandscconfigIKEEXTstart=autoscconfigUI0Detectstart=demandscconfigSharedAccessstart=disabledscconfigiphlpsvcstart=autoscconfigPolicyAgentstart=autoscconfigKtmRmstart=autoscconfiglltdsvcstart=demandscconfigusnjsvcstart=demandscconfigclr_optimization_v2.0.50727_32start=demandscconfigMSiSCSIstart=demandscconfigodservstart=demandscconfigswprvstart=demandscconfigMMCSSstart=autoscconfigNetTcpPortSharingstart=disabledscconfignapagentstart=demandscconfigNetlogonstart=demandscconfigNetmanstart=demandscconfignetprofmstart=autoscconfigNlaSvcstart=autoscconfignsistart=autoscconfigosestart=demandscconfigCscServicestart=autoscconfigWPCSvcstart=demandscconfigPNRPsvcstart=demandscconfigp2psvcstart=demandscconfigp2pimsvcstart=demandscconfigplastart=demandscconfigPlugPlaystart=autoscconfigIPBusEnumstart=demandscconfigPNRPAutoRegstart=demandscconfigWPDBusEnumstart=autoscconfigSpoolerstart=autoscconfigwercplsupportstart=demandscconfigPcaSvcstart=autoscconfigProtectedStoragestart=demandscconfigQWAVEstart=demandscconfigEMDMgmtstart=autoscconfigRasAutostart=demandscconfigRasManstart=demandscconfigRpcLocatorstart=demandscconfigRpcSsstart=autoscconfigRemoteRegistrystart=demandscconfigRemoteAccessstart=disabledscconfigseclogonstart=autoscconfigRasAutostart=demandscconfigRasManstart=demandscconfigRpcSsstart=autoscconfigRpcLocatorstart=demandscconfigRemoteRegistrystart=demandscconfigRemoteAccessstart=disabledscconfigSamSsstart=autoscconfigwscsvcstart=autoscconfigLanmanServerstart=autoscconfigServiceLayerstart=demandscconfigShellHWDetectionstart=autoscconfigSLUINotifystart=demandscconfigSCardSvrstart=demandscconfigSCPolicySvcstart=demandscconfigSNMPTRAPstart=demandscconfigslsvcstart=autoscconfigSSDPSRVstart=demandscconfigSysMainstart=autoscconfigSENSstart=autoscconfigTabletInputServicestart=autoscconfigSchedulestart=autoscconfiglmhostsstart=autoscconfigTapiSrvstart=demandscconfigTermServicestart=autoscconfigSessionEnvstart=demandscconfigUmRdpServicestart=demandscconfigThemesstart=autoscconfigTHREADORDERstart=demandscconfigTBSstart=demandscconfigupnphoststart=autoscconfigProfSvcstart=autoscconfigvdsstart=demandscconfigVSSstart=demandscconfigWebClientstart=autoscconfigAudiosrvstart=autoscconfigAudioEndpointBuilderstart=autoscconfigSDRSVCstart=demandscconfigidsvcstart=demandscconfigWcsPlugInServicestart=demandscconfigwcncsvcstart=demandscconfigWinDefendstart=autoscconfigwudfsvcstart=autoscconfigWerSvcstart=autoscconfigWecsvcstart=demandscconfigEventlogstart=autoscconfigMpsSvcstart=autoscconfigstisvcstart=autoscconfigmsiserverstart=demandscconfigWinmgmtstart=autoscconfigMcx2Svcstart=disabledscconfigehRecvrstart=demandscconfigehSchedstart=demandscconfigehstartstart=autoscconfigWMPNetworkSvcstart=demandscconfigTrustedInstallerstart=demandscconfigFontCache3.0.0.0start=demandscconfigWinRMstart=demandscconfigWSearchstart=autoscconfigW32Timestart=autoscconfigwuauservstart=autoscconfigWinHttpAutoProxySvcstart=demandscconfigdot3svcstart=demandscconfigWlansvcstart=demandscconfigwmiApSrvstart=demandscconfigLanmanWorkstationstart=auto存为bat文件auto是“自动”demand是“手动”disabled是“禁用”-------------
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