单项选择题 YouwanttoadministeryourPRODdatabasefromaremotehostmachineusingaWeb－enabledinterface.WhichOracletoolwouldyouusetoaccomplishthistaskefficientlywithoutusingcommand－lineinterfaces？（）

单项选择题 Usingthereportsserverhowwouldyouforcetheordersreportintheordersentryapplicationtoruneverysixhours?（）

单项选择题 YouaremaintainingtheSALESdatabaseofacompany.YouhaveneverbackeduptheUSERStablespacethatiscurrentlyoffline.OnSunday，youissuedthefollowingcommands：CONFIGUREDEFAULTDEVICETYPETOsbt；CONFIGUREBACKUPOPTIMIZATIONON；CONFIGURERETENTIONPOLICYTOREDUNDANCY3；FromMondaytoSaturday，youperformedthefollowingactions：DayActionMondayBACKUPDATABASETuesdayBACKUPDATABASEWednesdayBACKUPDATABASEThursdayBACKUPDATABASEFridayBACKUPDATABASESaturdayBACKUPDATABASEHowmanytimeswillthebackupoftheUSERStablespacebeperformed？（）

单项选择题 Youareusingflatfilesasthedatasourceforoneofyourdatawarehousingapplications.Tooptimizetheapplicationperformance，youplantomovethedatafromtheflatfilestoclusteredtablesinanOracledatabase.Whilemigratingthedata，youwanttohaveminimalimpactonthedatabaseperformanceandoptimizethedataloadoperation.WhichmethodwouldyouusetoloaddataintotheOracledatabase（）A.Usetheexternaltablepopulation.B.UsetheOracleDataPumpexportandimportutility.C.UsetheconventionalpathdataloadoftheSQL*Loaderutility.D.UsetheINSERTINTO...SELECTcommandtoloadthedata.

单项选择题 Youarecreatingasalesdatatemplateandneedtoaddapicturetothemargin.Whatisthebestwaytoaddthismargin?（）

单项选择题 AcustomerhasawebapplicationwithHTTPSessionsthatneedtobereplicatedtoabackupsitethatismorethan100milesawayfromtheprimarysite,connectedovertheInternet.WhichtypeofsessionreplicationinWebLogicisrecommended?（）A.MANReplicationB.WANReplicationC.SynchronousReplicationD.AsynchronousReplicationE.DatabaseReplication

单项选择题 Howwouldyoudefaultthelayoutofaparameterform?（）

单项选择题 WhichmethodintheThreadclassisusedtocreateandlaunchanewthreadofexecution？（）

单项选择题 classA{publicintgetNumber（inta）{returna＋1；}}classBextendsA{publicintgetNumber（inta）{returna＋2}publicstaticvoidmain（Stringargs）{Aa=newB（）；System.out.printIn（a.getNumber（0））；}}Whatistheresult？（）

单项选择题 publicclassXimplementsRunnable（privateintx；privateinty；publicstaticvoidmain（Stringargs）（Xthat=newX（）；（newThread（that））.start（）；（newThread（that））.start（）；）publicsynchronizedvoidrun（）（for（；；）（x++；y++；System.out.printIn（x=+x+，y=+y）；）））Whatistheresult？（）A.Anerroratline11causescompilationtofail.B.Errorsatlines7and8causecompilationtofail.C.Theprogramprintspairsofvaluesforxandythatmightnotalwaysbethesameonthesameline（forexample，“x=2，y=1”）D.Theprogramprintspairsofvaluesforxandythatarealwaysthesameonthesameline（forexample，“x=1，y=1”.Inaddition，eachvalueappearstwice（forexample，“x=1，y=1”followedby“x=1，y=1”）E.Theprogramprintspairsofvaluesforxandythatarealwaysthesameonthesameline（forexample，“x=1，y=1”.Inaddition，eachvalueappearstwice（forexample，“x=1，y=1”followedby“x=2s，y=2”）

单项选择题 classAimplementsrunable（2.int&ensp

单项选择题 classA{publicbytegetNumber（）{return1；}}classBextendsA{publicshortgetNumber（）{return2；}publicstaticvoidmain（Stringargs）{Bb=newB（）；System.out.printIn（b.getNumber（））}}Whatistheresult？（）

单项选择题 publicclassTest{publicstaticvoidmain（Stringargs）{Stringfoo=args[1]；Stringbar=args；Stringbaz=args；System.out.printIn（baz=”＋baz）；}}Andtheoutput：Baz=2Whichcommandlineinvocationwillproducetheoutput？（）

单项选择题 packagefoo；importjava.util.Vector；privateclassMyVectorextendsVector{inti=1；publicMyVector（）{i=2；}}publicclassMyNewVectorextendsMyVector{publicMyNewVector（）{i=4；}publicstaticvoidmain（Stringargs）{MyVectorv=newMyNewVector（）；}}ThefileMyNewVector.javaisshownintheexhibit.Whatistheresult？（）A.Compilationwillsucceed.B.Compilationwillfailatline5.C.Compilationwillfailatline6.D.Compilationwillfailatline14.E.Compilationwillfailatline17.

单项选择题 WhichconstructsaBufferedIputStream？（）

单项选择题 classsuper{publicintgetLength（）{return4；}}publicclassSubextendsSuper{publiclonggetLength（）{return5；}publicstaticvoidmain（Stringargs）{supersooper=newSuper（）；Subsub=newSub（）；System.out.printIn（sooper.getLength（）+，”+sub.getLength（）}；}Whatistheoutput？（）A.4，4B.4，5C.5，4D.5，5E.Thecodewillnotcompile.

单项选择题 ClassOne.javapackagecom.abc.pkg1；publicclassClassOne{privatecharvar=‘a‘；chargetVar（）{returnvar；}}ClassTest.javapackagecom.abc.pkg2；importcom.abc.pkg1.ClassOne；publicclassClassTestextendsClassOne{publicstaticvoidmain（Stringargs）{chara=newClassOne（）.getVar（）；charb=newClassTest（）.getVar（）；}}Whatistheresult？（）A.Compilationwillfail.B.Compilationsucceedsandnoexceptionsarethrown.C.Compilationsucceedsbutanexceptionisthrownatline5inClassTest.java.D.Compilationsucceedsbutanexceptionisthrownatline6inClassTest.java.

单项选择题 Youwanttolimitaccesstoamethodofapublicclasstomembersofthesameclass.Whichaccessmodifieraccomplishesthisobjective？（）

单项选择题 importjava.io.IOException；publicclassExceptionTest（publicstaticvoidmain（Stringargs）try（methodA（）；）catch（IOExceptione）（system.out.printIn（CaughtIOException”）；）catch（Exceptione）（system.out.printIn（CaughtException”）；））publicvoidmethodA（）{thrownewIOException（）；}Whatistheresult？（）A.Thecodewillnotcompile.B.Theoutputiscaughtexception.C.TheoutputiscaughtIOException.D.Theprogramexecutesnormallywithoutprintingamessage.

单项选择题 abstractclassabstrctIt{abstractfloatgetFloat（）；}publicclassAbstractTestextendsAbstractIt{privatefloatf1=1.0f；privatefloatgetFloat（）{returnf1；}}Whatistheresult？（）