单项选择题 YourdatabaseisrunninginARCHIVELOGmode.TheSCOTT.EMPtablebelongstotheDATA1tablespace.ThejuniorDBAerroneouslyrunsascriptthatexecutesthefollowingstatement：SQL>DROPTABLESCOTT.EMPPURGE；Afteronehour，youareperformingtheusermanagedincompleterecovery.Whichdatafileswillyourestorefromthelastfullbackup？（）A.thedatafilesassociatedwiththeSYSTEMtablespaceB.thedatafilesassociatedtotheDATA1tablespaceC.thedatafilesassociatedtotheSYSTEMandDATA1tablespacesD.allthedatafilesinthedatabase

单项选择题 YouareusingthebackupschedulerinEnterpriseManager（EM）toscheduleabackupofyourdatabase.Whichtypeofscriptdoesthebackupschedulergenerate？（）

单项选择题 classsuper（publicintI=0；publicsuper（stringtext）（I=1））publicclasssubextendssuper（publicsub（stringtext）（i=2）publicstaticvoidmain（straingargs）（subsub=newsub（Hello”）；system.out.PrintIn（sub.i）；））Whatistheresult？（）A.Compilationwillfail.B.Compilationwillsucceedandtheprogramwillprint“0”C.Compilationwillsucceedandtheprogramwillprint“1”D.Compilationwillsucceedandtheprogramwillprint“2”

单项选择题 GiventheActionEvent，whichmethodallowsyoutoidentifytheaffectedcomponent？（）

单项选择题 1.classExc0extendsException{}2.classExc1extendsExc0{}3.publicclassTest{4.publicstaticvoidmain（Stringargs[]）{5.try{6.thrownewExc1（）；7.}catch（Exc0e0）{8.System.out.println（Ex0caught”）；9.}catch（Exceptione）{10.System.out.println（exceptioncaught”）；11.}12.}13.}Whatistheresult？（）A.Ex0caughtB.exceptioncaughtC.Compilationfailsbecauseofanerroratline2.D.Compilationfailsbecauseofanerroratline6.