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（）？

单项选择题 Whichpath，relativetoawebapplication’sroot，identifiesthewebapplication’sdeploymentdescriptor？（）

单项选择题 Whichthe JSTLcodesnippetcanbeusedtoimportcontentfromanotherwebresource？（）

单项选择题 JavaSEJDK中类库java.text的用途是哪项？（）

单项选择题 Given：10.publicvoidservice（ServletRequestrequest，11.ServletResponseresponse）{12.ServletInputStreamsis=13.／／insertcodehere14.}Whichretrievesthebinaryinputstreamonline13？（）

单项选择题 Whichelementofthewebapplicationdeploymentdescriptordefinestheservletclassassociatedwithaservletinstance？（）

单项选择题 AssumeaJavaBeancom.example.GradedTestBeanexistsandhastwoattributes.Theattributenameisoftypejava.lang.Stringandtheattributescoreisoftypejava.lang.Integer.Anarrayofcom.example.GradedTestBeanobjectsisexposedtothepageinarequest-scopedattributecalledresults.Additionally，anemptyjava.util.HashMapcalledresultMapisplacedinthepagescope.AJSPpageneedstoaddthefirstentryinresultstoresultMap，storingthenameattributeofthebeanasthekeyandthescoreattributeofthebeanasthevalue.WhichcodesnippetofJSTLcodesatisfiesthisrequirement？（）

单项选择题 Inyourwebapplication，youneedtoexecuteablockofcodewheneverthesessionobjectisfirstcreated.Whichdesignwillaccomplishthisgoal？（）

单项选择题 InaJSP-centricwebapplication，youneedtocreateacatalogbrowsingJSPpage.ThecatalogisstoredasaListobjectinthecatalogattributeofthewebapp’sServletContextobject.Whichscriptletcodesnippetgivesyouaccesstothecatalogobject？（）A.<%Listcatalog=config.getAttribute（"catalog"）；%>B.<%Listcatalog=context.getAttribute（"catalog"）；%>C.<%Listcatalog=application.getAttribute（"catalog"）；%>D.<%Listcatalog=servletContext.getAttribute（"catalog"）；%>

单项选择题 AdeveloperwantstoouseELtoinvokea.Whichisalwaystrue？（）

单项选择题 Adeveloperhasusedthiscodewithinaservlet：62.if（request.isUserInRole（"vip"））{63.／／VIP－relatedlogichere64.}Whatelsemustthedeveloperdotoensurethattheintendedsecuritygoalisachieved？（）