单项选择题 GivenanELfunctionfoo，innamespacefunc，thatrequiresalongasaparameterandreturnsaMap，whichtwoarevalidinvocationsoffunctionfoo？（）

单项选择题 Giventhatlogin.getName（）returnsajava.lang.StringvalueandgiventheJSPcode：WelcomeWhichisequivalent？（）

单项选择题 Whichwilldeclareamethodthatisavailabletoallmembersofthesamepackageandbereferencedwithoutaninstanceoftheclass？（）

单项选择题 GivenanHttpServletRequestrequest，whichretrievesanobjectoftypeAccountwithanIdof“account”？（）

单项选择题 Given1.publicclassFoo{2.publicstaticvoidmain（String[]args）}3.try{return；}4.finally{Syste.out.printIn（Finally”）；}5.}6.}Whatistheresult()？

单项选择题 Whatisthenumericalrangeofchar？（）

单项选择题 Whichmechanismrequirestheclienttoprovideitspublickeycertificate？（）

单项选择题 WhichretrievesallcookiessentinagivenHttpSErvletRequestrequest？（）

单项选择题 WhichHTTPmethodhasthecharacteristicthatmultipleindentialrequestsmayproducesideeffectbeyondthoseofasinglerequest（）？

单项选择题 Everypageofyourwebsitemustincludeacommonsetofnavigationmenusatthetopofthepage.ThismenuisstaticHTMLandchangesfrequently，soyouhavedecidedtouseJSP’sstaticimportmechanism.WhichJSPcodesnippetaccomplishesthisgoal？（）A.<%@importfile=’/common/menu.html’%>B.<%@pageimport=’/common/menu.html’%>C.<%@importpage=’/common/menu.html’%>D.<%@includefile=’/common/menu.html’%>E.<%@pageinclude=’/common/menu.html’%>

单项选择题 Adeveloperisdesigningthepresentationtierforawebapplicationwhichrequiresacentralizedrequesthandlingtocompletecommonprocessingrequiredbyeachrequest.Whichdesignpatternprovidesasolutiontothisproblem？（）

单项选择题 YouhaveasimplewebapplicationthathasasingleFrontControllerservletthatdispatchestoJSPstogenerateavarietyofviews.Severaloftheseviewsrequirefurtherdatabaseprocessingtoretrievethe necessaryorderobjectusingtheorderIDrequestparameter.Todothisadditionalprocessing，youpasstherequestfirsttoaservletthatismappedtotheURLpattern/WEBINF/retreiveOrder.dointhedeploymentdescriptor.Thisservlettakestworequestparameters，theorderIDandthejspURL.IthandlesthedatabasecallstoretrieveandbuildthecomplexorderobjectsandthenitdispatchestothejspURL.WhichcodesnippetintheFrontControllerservletdispatchestherequesttotheorderretrievalservlet？（）

单项选择题 Adeveloperisdesigningawebapplicationthatmakesmanyfine-grainedremotedatarequestsforeachclientrequest.Duringtesting，thedeveloperdiscoversthatthevolumeofremoterequestssignificantlydegradesperformanceoftheapplication.Whichdesignpatternprovidesasolutionforthisproblem？（）A.FlyweightB.TransferObjectC.ServiceLocatorD.DispatcherViewE.BusinessDelegateF.Model-View-Controller

单项选择题 Giventhewebapplicationdeploymentdescriptorelements：11.<filter>12.<filter-name>ParamAdder</filter-name>13.<filter-class>com.example.ParamAdder</filter-class>14.</filter>...24.<filter-mapping>25.<filter-name>ParamAdder</filter-name>26.<servlet-name>MyServlet</servlet-name>27.<!--insertelementhere-->28.</filter-mapping>Whichelement，insertedatline27，causestheParamAdderfiltertobeappliedwhenMyServletisinvokedbyanotherservletusingtheRequestDispatcher.includemethod？（）A.<include/>B.<dispatcher>INCLUDE</dispatcher>C.<dispatcher>include</dispatcher>D.<filter-condition>INCLUDE</filter-condition>E.<filter-condition>include</filter-condition>

单项选择题 Youhaveausecaseinyourwebapplicationthataddsseveralsession-scopedattributes.Attheendoftheusecase，oneoftheseobjects，themanagerattribute，isremovedandthenitneedstodecidewhichoftheothersession-scopedattributestoremove.Howcanthisgoalbeaccomplished？（）A.TheobjectofthemanagerattributeshouldimplementtheHttpSessionBindingListeneranditshouldcall theremoveAttributemethodontheappropriatesessionattributes.B.TheobjectofthemanagerattributeshouldimplementtheHttpSessionListeneranditshouldcallthe removeAttributemethodontheappropriatesessionattributes.C.TheobjectofthemanagerattributeshouldimplementtheHttpSessionBindingListeneranditshouldcall thedeleteAttributemethodontheappropriatesessionattributes.D.TheobjectofthemanagerattributeshouldimplementtheHttpSessionListeneranditshouldcallthe deleteAttributemethodontheappropriatesessionattributes.

单项选择题 Ashoot-outhaseruptedbetweenyourMSdevelopmentteamsusing.NETandyourLinuxdevelopmentteamsusingJava.Knowingthatyourdatabaseisindanger，whichcommandwouldyouusetobackupyourNOARCHIVELOGmodedatabaseusingRMANwithcompression？（）A.backupdatabaseallB.backupcompresseddatabaseC.backupascompressedbackupsetdatabaseD.backupascompressedbackupdatabaseplusarchivelogallE.backupascompressedbackupsetdatabasepluscompressarchivelogall

单项选择题 TheUNDO_RETENTIONparameterinyourdatabaseissetto1000andundoretentionisnotguaranteed.Whichstatementregardingretentionofundodataiscorrect？（）

单项选择题 InaJavaEEmessagingapplication,oneMDBisconsumingalotofmemoryathightraffic.Whatconfigurationshouldyouusetopreventpossibleout－of－memoryerrorathightrafficandatthesametimenotlosingmessages?（）

单项选择题 YouaremaintainingyourdatabaseinOracle10g.Whileperforminganincrementalbackupofthedatabase，youwanttobackuponlythoseblocksthathavechangedsincethelastbackup.Whichfilewillyoucreatetoincreasetheperformanceofthebackupoperationwhileperformingtheincrementalbackupofthedatabase？（）A.redologfilesB.passwordfileC.controlfileD.changetrackingfile

单项选择题 Atdatabasestartup，youdiscoverthatoneofthediskscontaininganindextablespacehasbeenlostduetoamediafailure.Abackupofthelostindextablespaceisnotavailable.Youhaveallthenecessaryscriptstorecreatetheindexes.Youneedtore-createtheindexesinanewindextablespace.Whichactionmustyouperformbeforere-creatingtheindexes？（）A.StartthedatabaseinOPENmode，andcreateanewindextablespace.B.StartthedatabaseinOPENmode，anddropthelostindextablespacefromthedatabase.C.StartthedatabaseinMOUNTmode，createanewindextablespace，anddropthelostindextablespacefromthedatabase.D.StartthedatabaseinMOUNTmode，dropthelostindextablespacefromthedatabase，openthedatabase，andcreateanewindextablespace.