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