<{p}>56、Which three are true about backing up the control file?<{/p}>

【多选题】
A It gets backed up automatically by RMAN when the BACKUP SPFILE command is used
B It gets backed up automatically by RMAN as a trace file containing SQL statements for control file re-creation when a database backup occurs
C It can get backed up automatically as a binary copy.
D It can be backed up manually as a binary copy.
E It cannot be backed up manually as a binary copy.
F It can be backed up manually as a trace file containing SQL statements for control file re-creation

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