Your database instance has started using an SPFILE. Examine the RMAN configuration settings: 

You execute the command: RMAN> BACKUP AS COPY TABLESPACE TEST; Which three types of files are backed up by using this command? (Choose three.) 

Answer options:

A. online redo log files
B. control file
C. SPFILE
D. archived redo log files
E. data file(s)
F. PFILE

BCE

References: http://www.juliandyke.com/Research/RMAN/BackupCommand.php