《计算机专业英语》课件第27章.ppt

NewWordsandExpressionscost-effective性价比合算的connectivityn.连通性,连通度disparateadj.不可比较的,根本不同的remoteadj.远程的,遥远的data-intensive数据密集的branchn.转移,分支;转移指令,分支指令dedicatedleasedline专用的租用线路headquartern.总局,总部,司令部tele-workersn.远程操作人员,远地工作人员marginaladj.边缘的ISP(Internetserviceprovider)互联网服务供应商vulnerableadj.脆弱的abusevt.滥用,妄用;侮辱,诋毁stringentadj.严格的sensitivedata敏感数据VPN(virtualprivatenetwork)虚拟专用网constitutevt.组成(整体),构成;任命……担任……,成立ownershipn.物主身份,主权,所有权confidentialadj.机密的justifiablyadv.可证明为正当地,有理由地provisionn.准备,供应Questions(1)WhatisthemostsignificantbenefitsthatIntranetcanoffer?(2)HowtoremoteaccessintoacorporateIntranet?(3)HowtoestablishVPN?UNIT27What’sanIntranet?AnIntranetissimplytheapplicationofInternettechnologywithinaninternalorclosedusergroup.IntranetsarecompanyspecificanddonothavetohaveaphysicalconnectiontotheInternet.However,theunderlyingprinciplebehindIntranettheoryisinformationdemocracy.Usedproperly,anIntranetisahighlyeffectivecorporatetool,capableofregularlyupdatinginformationtoempowertheworkforcewiththeinformationneededtoperformtheirroles.1Usedinthisway,Intranetsrepresentasteptowardsthepaperlessoffice,replacingprinteddocumentationwithelectronicdata.Untiltheearly’90s,Intranettechnologywasmainlyusedbygovernments,academicsandtechnologists.2ThencametheWorldWideWebandthedramaticexpansionoftheInternetuserbase.TheWWWenablestransferanddisplayofmultimediadocumentsbetweenserverswhichholdtheinformation,andclientsorusers