多项选择题 WhichtwofilesinthedatabasecanbeconfiguredforautomaticbackupsbyusingtheautobackupfeatureinRecoveryManager（RMAN）（）

单项选择题 You are using Enterprise Manager to schedule backups for your database.  Which type of script wouldbe generated by the backup scheduler（）

多项选择题 You are managing an Oracle Database 11g database with the following backup strategy：  1.On Sunday， an incremental level 0 tape backup is performed.  2.Monday through Saturday， acumulativeincremental level 1 tape backup is performed.  Which two statements are true regarding the backups performed（）