未知题型 YouworkasadatabaseadministratorforCertkiller.com.YouareworkingonOracleDatabase10g.Toforwardclientconnectionstoaninstance，thelistenermustknowinformationsuchasthenameoftheinstanceandwheretheinstance’sORACLE_HOMEislocated.Howdoesthelistenergetthisinformation？（）A.Itgetsitfromtheparameterfile.B.Thelistenerpromptsfordetailsonstartup.C.Thelistenergathersinformationfromthecontrolfile.D.Theinstanceautomaticallyregisterswiththedefaultlistener.E.Thelistenergetsthisinformationthroughthelistener.orafile.

未知题型 YouareworkingonanOracleDatabase10gdatabase.Becauseofdataloss，youdecidedtoperformaFlashbackDatabaseoperationusingthefollowingcommand：SQL>FLASHBACKDATABASETOTIMESTAMP（SYSDATE？5/24）；Whichtwostatementsaretrue？（）A.SYSDATEshouldnotbeusedwithTIMESTAMP.B.Thedatabasemusthavemultiplexedredologfiles.C.ThedatabasemustbeintheMOUNTstatetoexecutethecommand.D.ThedatabasemustbeopenedwiththeRESETLOGSoptionaftertheflashbackoperation.E.Theentiredatabaseneedstoberestoredfromthemostrecentbackupbeforetheflashbackoperation.

未知题型 voidstart（）{13.Aa=newA（）；14.Bb=newB（）；15.a.s（b）；16.b=null；17.a=null；18.System.out.println（startcompleted”）；19.}WhenistheBobject，createdinline14，eligibleforgarbagecollection？（）

未知题型 Whichtwocreateaninstanceofanarray？（）

未知题型 Whichtwocauseacompilererror？（）

未知题型 WhichofthefollowinginitializationparametershavebeendeprecatedinOracle11gbecauseoftheintroductionoftheAutomaticWorkloadRepository？（）

未知题型 YouareenablingtheAutomaticSharedMemoryManagementfeatureintheOracleDatabase10gtoensurethattheimportantmemorystructuresoftheSystemGlobalArea（SGA）areautomaticallyadjusteddependingonthedatabaseworkload.YouareusingEnterpriseManager10gtoenablethisfeature.YouarecurrentlyontheAdministrationtabpage.WhichtwolinksshouldyouclicktogototheMemoryAdvisorpage？（）A.AdvisorCentralB.GlobalAttributesC.ResourceMonitorsD.MemoryParametersE.DatabaseUsageStatisticsF.AllInitializationParametersG.AutomaticWorkloadRepository

未知题型 YouworkasadatabaseadministratorforSupportcenter.cn.Youwanttoadministeryourdatabaseservers，whicharerunningondifferenthostmachines，usingtheWeb-enabledgridcontrolinterface.Youhaveconfiguredtheagentonthehostmachines.YouhavestartedtheOracleDatabase10gGridControlutilityonyourmachine.Whichtwoadditionalcomponentswouldyouconfiguretoachievethisobjective？（）A.ApplicationServerControlB.OracleManagementServiceC.OracleEnterpriseManagerRepositoryD.OracleEnterpriseManagerDatabaseControl

未知题型 GiventhatThingisaclass，howmanyobjectsandreferencevariablesarecreatedbythefollowingcode？（）Thingitem，stuff；item=newThing（）；Thingentity=newThing（）；

未知题型 Identifythelogicalstructurethatwillneverhavemorethanonedatasegmentcreatedforit.（）

未知题型 WhichtwoclassesorinterfacesprovideagetSessionmethod？（）

未知题型 现有包结构：com|－－x||－－Alpha.class||||－－y||－－Beta.class||－－Gamma.class和类：／／insertcodehereimportcom.*；importcom.x.y.*；classTest{Alphaa；Betab；Gammac；}哪两行分别插入后可允许代码编译？（）

未知题型 Whichthe threearevaliddeclarationsofafloat？（）

未知题型 Youaredevelopingseveraltaglibrariesthatwillbesoldfordevelopmentofthird-partywebapplications.YouareabouttopublishthefirstthreelibrariesasJARfiles：container-tags.jar，advanced-html-form-tags.jar，andbasic-html-form-tags.jar.WhichtwotechniquesareappropriateforpackagingtheTLDfilesforthesetaglibraries？（）A.TheTLDmustbelocatedwithintheWEB-INFdirectoryoftheJARfile.B.TheTLDmustbelocatedwithintheMETA-INFdirectoryoftheJARfile.C.TheTLDmustbelocatedwithintheMETA-INF/tld/directoryoftheJARfile.D.TheTLDmustbelocatedwithinasubdirectoryofWEB-INFdirectoryoftheJARfile.E.TheTLDmustbelocatedwithinasubdirectoryofMETA-INFdirectoryoftheJARfile.

未知题型 Whichthreestatementsaretrueaboutthestagesofdatabasestartup？（）

未知题型 WhichtwocreateanInputStreamandopenfilethe“file.txt”forreading？（）

未知题型 Giventhefollowingcode，whichmethoddeclarations，wheninsertedattheindicatedposition，willnotcausetheprogramtofailcompilation？（）publicclassQdd1f{publiclongsum（longa，longb）{returna+b；}//insertnewmethoddeclarationhere}A.publicintsum（inta，intb）{returna+b；}B.publicintsum（longa，longb）{return0；}C.abstractintsum（）；D.privatelongsum（longa，longb）{returna+b；}E.publiclongsum（longa，intb）{returna+b；}

未知题型 classParent{Stringone，two；<br

未知题型 classSuper{2.privateinta；3.protectedSuper（inta）{this.a=a；}4.}.....11.classSubextendsSuper{12.publicSub（inta）{super（a）；}13.publicSub（）{this.a=5；}14.}Whichtwo，independently，willallowSubtocompile？（）

未知题型 Whichtwostatementsaretrueaboutthesecurity－relatedtagsinavalidJavaEEdeploymentdescriptor？（）