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阅读以下说明，回答问题1到问题3。 【说明】 随着社会的快速发展，电脑早已走进了人们的生活与工作当中。当然，网络一词对于我们也并不陌生，但网络广告还是个新词，不过它已经实实在在生根于缤纷的网络世...
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中级多媒体应用设计师《问答集》真题及答案
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ItshouldgowithoutsayingthatthefocusofUMLismodeling.Howeverwhatthatmeansexactlycanbeanopen-endedquestion.71isameanstocaptureideasrelationshipsdecisionsandrequirementsinawell-definednotationthatcanbeappliedtomanydifferentdomains.ModelingnotonlymeansdifferentthingstodifferentpeoplebutalsoitcanusedifferentpiecesofUMLdependingonwhatyouaretryingtoconvey.IngeneralaUMLmodelismadeupofoneormore72.Adiagramgraphicallyrepresentsthingsandtherelationshipsbetweenthesethings.These73canberepresentationsofreal-worldobjectspuresoftwareconstructsoradescriptionofthebehaviorofsomeotherobjects.Itiscommonforanindividualthingtoshowuponmultiplediagrams;eachdiagramrepresentsaparticularinterestorviewofthethingbeingmodeled.UML2.0dividesdiagramsintotwocategories:structuraldiagramsandbehavioraldiagrams.74areusedtocapturethephysicalorganizationofthethingsinyoursystemi.e.howoneobjectrelatestoanother.75focusonthebehaviorofelementsinasystem.Forexampleyoucanusebehavioraldiagramstocapturerequirementsoperationsandinternalstatechangesforelements.
OriginallyintroducedbyNetscapeCommunications66areageneralmechanismwhichHTTPServersideapplicationssuchasCGI67canusetobothstoreandretrieveinformationontheHTTP68sideoftheconnection.BasicallyCookiescanbeusedtocompensateforthe69natureofHTTETheadditionofasimplepersistentclient-sidestatesignificantlyextendsthecapabilitiesofWWW-based70.
以下对图像数字水印的描述不正确的是
彩色喷墨打印机将油墨进行混合这样得到的颜色称为
TCP/IP71layerprotocolsprovideservicestotheapplication72runningonacomputer.Theapplicationlayerdoesnotdefinetheapplicationitselfbutratheritdefines73thatapplicationsneed—liketheabilitytotransferafileinthecaseofHTTEInshorttheapplicationlayerprovidesan74betweensoftwarerunningonacomputerandthenetworkitself.TheTCP/IPapplicationlayerincludesarelativelylargenumberofprotocolswithHTTPbeingonlyoneofthose.TheTCP/IP75layerconsistsoftwomainprotocoloptions—theTransmissionControlProtocolTCPandtheUserDatagramProtocolUDP.
不属于存储媒体
多媒体中的媒体有两重常用含义一是指存储信息的实体如7等二是指表达与传递信息的载体如8等
有关流媒体的特征以下描述错误的是
超文本是一种信息管理技术其组织形式以9作为基本单位用10组织信息块之间的关联关系
DOMisaplatform-andlanguage-66APIthatallowsprogramsandscriptstodynamicallyaccessandupdatethecontentstructureandstyleofWWWdocumentscurrentlydefinitionsforHTMLandXMLdocumentsarepartofthespecification.Thedocumentcanbefurtherprocessedandtheresultsofthatprocessingcanbeincorporatedbackintothepresented67.DOMisa68-basedAPItodocumentswhichrequiresthewholedocumenttoberepresentedin69whileprocessingit.AsimpleralternativetoDOMistheevent-basedSAXwhichcanbeusedtoprocessverylarge70documentsthatdonotfitintothememoryavailableforprocessing.
WebSQLisaSQL-like71languageforextractinginformationfromtheweb.Itscapabilitiesforperformingnavigationofweb72makeitausefultoolforautomatingseveralweb-relatedtasksthatrequirethesystematicprocessingofeitherallthelinksina73allthepagesthatcanbereachedfromagivenURLthrough74thatmatchapatternoracombinationofboth.WebSQLalsoprovidestransparentaccesstoindexserversthatcanbequeriedviatheCommon75Interface.
以下对多媒体概念的描述不正确的是
下列光盘格式中可以多次擦除重写数据的是
单层单面DVD的存储容量为4.7GB它的容量是CD-ROM的13倍其容量提高的主要原因是14
多媒体数据量巨大为了在有限的信道中并行开通更多业务应该对多媒体数据进行压缩
WebSQLisaSQL-like71languageforextractinginformationfromtheweb.Itscapabilitiesforperformingnavigationofweb72makeitausefultoolforautomatingseveralweb-relatedtasksthatrequirethesystematicprocessingofeitherallthelinksina73allthepagesthatcanbereachedfromagivenURLthrough74thatmatchapatternoracombinationofboth.WebSQLalsoprovidestransparentaccesstoindexserversthatcanbequeriedviatheCommon75Interface.
WebSQLisaSQL-like71languageforextractinginformationfromtheweb.Itscapabilitiesforperformingnavigationofweb72makeitausefultoolforautomatingseveralweb-relatedtasksthatrequirethesystematicprocessingofeitherallthelinksina73allthepagesthatcanbereachedfromagivenURLthrough74thatmatchapatternoracombinationofboth.WebSQLalsoprovidestransparentaccesstoindexserversthatcanbequeriedviatheCommon75Interface.
ItshouldgowithoutsayingthatthefocusofUMLismodeling.Howeverwhatthatmeansexactlycanbeanopen-endedquestion.71isameanstocaptureideasrelationshipsdecisionsandrequirementsinawell-definednotationthatcanbeappliedtomanydifferentdomains.ModelingnotonlymeansdifferentthingstodifferentpeoplebutalsoitcanusedifferentpiecesofUMLdependingonwhatyouaretryingtoconvey.IngeneralaUMLmodelismadeupofoneormore72.Adiagramgraphicallyrepresentsthingsandtherelationshipsbetweenthesethings.These73canberepresentationsofreal-worldobjectspuresoftwareconstructsoradescriptionofthebehaviorofsomeotherobjects.Itiscommonforanindividualthingtoshowuponmultiplediagrams;eachdiagramrepresentsaparticularinterestorviewofthethingbeingmodeled.UML2.0dividesdiagramsintotwocategories:structuraldiagramsandbehavioraldiagrams.74areusedtocapturethephysicalorganizationofthethingsinyoursystemi.e.howoneobjectrelatestoanother.75focusonthebehaviorofelementsinasystem.Forexampleyoucanusebehavioraldiagramstocapturerequirementsoperationsandinternalstatechangesforelements.
TCP/IP71layerprotocolsprovideservicestotheapplication72runningonacomputer.Theapplicationlayerdoesnotdefinetheapplicationitselfbutratheritdefines73thatapplicationsneed—liketheabilitytotransferafileinthecaseofHTTEInshorttheapplicationlayerprovidesan74betweensoftwarerunningonacomputerandthenetworkitself.TheTCP/IPapplicationlayerincludesarelativelylargenumberofprotocolswithHTTPbeingonlyoneofthose.TheTCP/IP75layerconsistsoftwomainprotocoloptions—theTransmissionControlProtocolTCPandtheUserDatagramProtocolUDP.
OriginallyintroducedbyNetscapeCommunications66areageneralmechanismwhichHTTPServersideapplicationssuchasCGI67canusetobothstoreandretrieveinformationontheHTTP68sideoftheconnection.BasicallyCookiescanbeusedtocompensateforthe69natureofHTTETheadditionofasimplepersistentclient-sidestatesignificantlyextendsthecapabilitiesofWWW-based70.
MelissaandLoveLettermadeuseofthetrustthatexistsbetweenfriendsorcolleagues.Imaginereceivingan71fromafriendwhoasksyoutoopenit.ThisiswhathappenswithMelissaandseveralothersimilaremail72.Uponrunningsuchwormsusuallyproceedtosendthemselvesouttoemailaddressesfromthevictim’saddressbookpreviousemailswebpages73.Asadministratorsseektoblockdangerousemailattachmentsthroughtherecognitionofwell-known74viruswritersuseotherextensionstocircumventsuchprotection.Executable.exefilesarerenamedto.batand.cmdplusawholelistofotherextensionsandwillstillrunandsuccessfullyinfecttargetusers.Frequentlyhackerstrytopenetratenetworksbysendinganattachmentthatlookslikeaflashmoviewhichwhiledisplayingsomecuteanimationsimultaneouslyrunscommandsinthebackgroundtostealyourpasswordsandgivethe75accesstoyournetwork.
MPCMultimediaPersonalComputer与PCPersonalComputer的主要区别是增加了
DOMisaplatform-andlanguage-66APIthatallowsprogramsandscriptstodynamicallyaccessandupdatethecontentstructureandstyleofWWWdocumentscurrentlydefinitionsforHTMLandXMLdocumentsarepartofthespecification.Thedocumentcanbefurtherprocessedandtheresultsofthatprocessingcanbeincorporatedbackintothepresented67.DOMisa68-basedAPItodocumentswhichrequiresthewholedocumenttoberepresentedin69whileprocessingit.AsimpleralternativetoDOMistheevent-basedSAXwhichcanbeusedtoprocessverylarge70documentsthatdonotfitintothememoryavailableforprocessing.
MelissaandLoveLettermadeuseofthetrustthatexistsbetweenfriendsorcolleagues.Imaginereceivingan71fromafriendwhoasksyoutoopenit.ThisiswhathappenswithMelissaandseveralothersimilaremail72.Uponrunningsuchwormsusuallyproceedtosendthemselvesouttoemailaddressesfromthevictim’saddressbookpreviousemailswebpages73.Asadministratorsseektoblockdangerousemailattachmentsthroughtherecognitionofwell-known74viruswritersuseotherextensionstocircumventsuchprotection.Executable.exefilesarerenamedto.batand.cmdplusawholelistofotherextensionsandwillstillrunandsuccessfullyinfecttargetusers.Frequentlyhackerstrytopenetratenetworksbysendinganattachmentthatlookslikeaflashmoviewhichwhiledisplayingsomecuteanimationsimultaneouslyrunscommandsinthebackgroundtostealyourpasswordsandgivethe75accesstoyournetwork.
有关媒体的下列描述不正确的是
双层双面的只读DVD盘片的存储容量可以达到
下列软件产品中用于编辑静态图像的工具软件是
MelissaandLoveLettermadeuseofthetrustthatexistsbetweenfriendsorcolleagues.Imaginereceivingan71fromafriendwhoasksyoutoopenit.ThisiswhathappenswithMelissaandseveralothersimilaremail72.Uponrunningsuchwormsusuallyproceedtosendthemselvesouttoemailaddressesfromthevictim’saddressbookpreviousemailswebpages73.Asadministratorsseektoblockdangerousemailattachmentsthroughtherecognitionofwell-known74viruswritersuseotherextensionstocircumventsuchprotection.Executable.exefilesarerenamedto.batand.cmdplusawholelistofotherextensionsandwillstillrunandsuccessfullyinfecttargetusers.Frequentlyhackerstrytopenetratenetworksbysendinganattachmentthatlookslikeaflashmoviewhichwhiledisplayingsomecuteanimationsimultaneouslyrunscommandsinthebackgroundtostealyourpasswordsandgivethe75accesstoyournetwork.
通过使用两个LCD或CRT显示器向人眼显示图像形成深度感知来为用户提供虚拟现实的沉浸感
以下光盘格式中不能多次擦除重写数据的是
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