单项选择题 Awebapplicationisboundtothecontextnamed"/webapp"andtheclientusesthebrowserandmakesarequesttotheresourcehttp://server:port/webapp/ctxl/resource.Wheredoyouplacethisresourceinsidethewebapplicationstructure?（）A.inthesubdirectory/WEB-INF/ctxlB.inthesubdirectory/META-INF/ctxlC.inthesubdirectory/ctxlintherootofthearchiveD.inthesubdirectory/ctxl/resourceintherootofthearchiveE.intherootofthearchive

单项选择题 YouaremanaginganOracleDatabase11gdatabasewiththisbackupstrategy：-EverySundaynight，level0backupisperformed.-OnMondaynightandsubsequentdays，level1incrementalbackupisperformed.Thebackupsarenotcumulativeincremental.WhichstatementaboutMonday’sbackupistrue（）A.Thebackupcontainsalltheusedblocks.B.Thebackupcontainsalltheusedandunusedblocks.C.Thebackupcontainsblocksthathavechangedsincethelastlevel0backup.D.Thebackupcontainsblocksthathavechangedsincethelastlevel1backuptakenlastweek.

单项选择题 YouexecutedthefollowingcommandtoperformabackupoftheUSERStablespace：SQL>ALTERTABLESPACEusersBEGINBACKUP；ALTERTABLESPACEusersBEGINBACKUP*ERRORatline1：ORA-01123：cannotstartonlinebackup；mediarecoverynotenabledWhatcouldbethereasonforthiserror（）A.TheMTTRAdvisorisdisabled.B.ThedatabaseisinNOARCHIVELOGmode.C.Thetablespaceisalreadyinbackupmode.D.TheFlashRecoveryAreaisnotconfigured.