单项选择题 以下哪些是淘宝的在线支付工具?()

单项选择题 一件商品在店铺里的所在分类不能超过多少个?()

单项选择题 Yourcompanyhasacorporatepolicythatprohibits&ensp

单项选择题 Adeveloperisdesigningamulti-tierwebapplicationanddiscoversaneedtohidethedetailsofestablishingandmaintainingremotecommunicationsfromtheclient.Inaddition，theapplicationneedstofind，ina transparentmanner，theheterogeneousbusinesscomponentsusedtoservicetheclient’srequests.Which designpatterns，workingtogether，addresstheseissues？（）A.BusinessDelegateandTransferObjectB.BusinessDelegateandServiceLocatorC.FrontControllerandBusinessDelegateD.InterceptingFilterandTransferObject

单项选择题 Adeveloperisdesigningamulti-tierwebapplicationanddiscoversaneedtohidethedetailsofestablishingandmaintainingremotecommunicationsfromtheclient.Inaddition，becausethebusinessandresourcetiersaredistributed，theapplicationneedstominimizetheinter-tiernetworktrafficrelatedtoservicingclientrequests.Whichdesignpatterns，workingtogether，addresstheseissues？（）A.FrontControllerandTransferObjectB.FrontControllerandServiceLocatorC.BusinessDelegateandTransferObjectD.BusinessDelegateandInterceptingFilter

单项选择题 Adeveloperisdesigningawebapplicationthatmustsupportmultipleinterfaces，including：anXMLwebserviceforB2BHTMLforweb－basedclientsWMLforwirelesscustomers.Whichdesignpatternprovidesasolutionforthisproblem？（）

单项选择题 AdeveloperisdesigningawebapplicationwhichextensivelyusesEJBsandJMS.ThedeveloperfindsthatthereisalotofduplicatedcodetobuildtheJNDIcontextstoaccessthebeansandqueues.Further，becauseofthecomplexity，therearenumerouserrorsinthecode.WhichJ2EEdesignpatternprovidesasolutionforthisproblem？（）A.CommandB.TransferObjectC.ServiceLocatorD.SessionFacadeE.BusinessDelegate

单项选择题 ServletAreceivesarequestthatitforwardstoservletBwithinanotherwebapplicationinthesamewebcontainer.ServletAneedstosharedatawithservletBandthatdatamustnotbevisibletootherservletsinA’swebapplication.InwhichobjectcanthedatathatAshareswithBbestored？（）A.HttpSessionB.ServletConfigC.ServletContextD.HttpServletRequestE.HttpServletResponse

单项选择题 GivenaportionofavalidJavaEEwebapplication’sdirectorystructure：MyApp||--Directory1||--File1.html||--META-INF||--File2.html||--WEB-INF|--File3.htmlYouwanttoknowwhetherFile1.html，File2.html，and/orFile3.htmlisprotectedfromdirectaccessbyyourwebclient’sbrowsers.Whatstatementistrue？（）A.Allthreefilesaredirectlyaccessible.B.OnlyFile1.htmlisdirectlyaccessible.C.OnlyFile2.htmlisdirectlyaccessible.D.OnlyFile3.htmlisdirectlyaccessible.

单项选择题 Oneoftheusecasesinyourwebapplicationusesmanysession-scopedattributes.Attheendoftheusecase，youwanttoclearoutthissetofattributesfromthesessionobject.Assumethatthisstaticvariableholdsthissetofattributenames：201.privatestaticfinalSetUSE_CASE_ATTRS；202.static{203.USE_CASE_ATTRS.add（"customerOID"）；204.USE_CASE_ATTRS.add（"custMgrBean"）；205.USE_CASE_ATTRS.add（"orderOID"）；206.USE_CASE_ATTRS.add（"orderMgrBean"）；207.}Whichcodesnippetdeletestheseattributesfromthesessionobject？（）A.session.removeAll（USE_CASE_ATTRS）；B.for（Stringattr：USE_CASE_ATTRS）{session.remove（attr）；}C.for（Stringattr：USE_CASE_ATTRS）{session.removeAttribute（attr）；}D.for（Stringattr：USE_CASE_ATTRS）{session.deleteAttribute（attr）；}E.session.deleteAllAttributes（USE_CASE_ATTRS）；

单项选择题 Whichthe statementistrueaboutwebcontainersessionmanagement（）？

单项选择题 SqueakyBeansInc.hiredanoutsideconsultanttodeveloptheirwebapplication.Tofinishthejobquickly，theconsultantcreatedseveraldozenJSPpagesthatdirectlycommunicatewiththedatabase.TheSqueakybusinessteamhassincepurchasedasetofbusinessobjectstomodeltheirsystem，andtheSqueakydeveloperchargedwithmaintainingthewebapplicationmustnowrefactoralltheJSPstoworkwiththenewsystem.Whichpatterncanthedeveloperusetosolvethisproblem？（）A.TransferObjectB.ServiceLocatorC.InterceptingFilterD.BusinessDelegate

单项选择题 Youhavecreatedaservletthatgeneratesweathermaps.Thedataforthesemapsiscalculatedbyaremotehost.TheIPaddressofthishostisusuallystable，butoccasionallydoeshavetochangeasthecorporatenetworkgrowsandchanges.ThisIPaddressusedtobehardcoded，butafterthefifthchangetotheIPaddressintwoyears，youhavedecidedthatthisvalueshouldbedeclaredinthedeploymentdescriptorsoyoudoNOThavetherecompilethewebapplicationeverytimetheIPaddresschanges.Whichdeploymentdescriptorsnippetaccomplishesthisgoal？（）

单项选择题 GivenaportionofavalidJavaEEwebapplication’sdirectorystructure：MyApp||--File1.html||--Directory1||--File2.html||--META-INF|--File3.htmlYouwanttoknowwhetherFile1.html，File2.html，and/orFile3.htmlwillbedirectlyaccessiblebyyourwebclient’sbrowsers.Whichstatementistrue？（）A.Allthreefilesaredirectlyaccessible.B.OnlyFile1.htmlisdirectlyaccessible.C.OnlyFile2.htmlisdirectlyaccessible.D.OnlyFile3.htmlisdirectlyaccessible.E.OnlyFile1.htmlandFile2.htmlaredirectlyaccessible.

单项选择题 Adeveloperisdesigningawebapplicationthatmustsupportmultipleinterfaces，including：?anXMLwebserviceforB2B?HTMLforweb-basedclients?WMLforwirelesscustomersWhichdesignpatternprovidesasolutionforthisproblem？()A.SessionFaçadeB.BusinessDelegateC.DataAccessObjectD.Model-View-ControllerE.ChainofResponsibility

单项选择题 GiventhisfragmentfromaJavaEEdeploymentdescriptor：341.<error-page>342.<exception-type>java.lang.Throwable</exception-type>343.<location>/mainError.jsp</location>344.</error-page>345.<error-page>346.<exception-type>java.lang.ClassCastException</exception-type>347.<location>/castError.jsp</location>348.</error-page>IfthewebapplicationassociatedwiththefragmentabovethrowsaClassCastException.Whichstatementistrue？（）A.Thedeploymentdescriptorisinvalid.B.ThecontainerinvokesmainError.jsp.C.ThecontainerinvokescastError.jsp.D.NeithermainError.jspnorcastError.jspisinvoked.

单项选择题 Giventhefollowingsixmethodnames：（1）addListener（2）addMouseListener（3）setMouseListener（4）deleteMouseListener（5）removeMouseListener（6）registerMouseListenerHowmanyofthesemethodnamesfollowJavaBeanListenernamingrules？（）A.1B.2C.3D.4E.5

判断题 购买保险是一种回避风险的应对策略。（）

单项选择题 Whichelementofawebapplicationdeploymentdescriptorelementisrequired？（）

单项选择题 Whichisthe true choiceaboutthewebcontainerrequestprocessingmodel（）？