Oracle 11g 052题库解析1

For your ORCL database. 1.The instance is started using an spfile. 2.The database is opened. 3.It is in ARCHIVELOG mode. 4.CONTROL FILE AUTOBACKUP IS ON. Examine this command: RMAN> backup as copy datafile ‘users01.dbf’,’example01.dbf’; Which four files are backed up? A.spfile B.undo01.dbf C.users01.dbf D.archivelogs E.sysaux01.dbf F.control file G.system01.dbf H.example01.dbf 正确答案：ACFH 解析：当打开controlfile autobackup is on的时候，执行任何备份任务，都会自动备份spfile和control文件。