236.Your database is running in ARCHIVELOG mode, and the database is open. You execute an RMAN
backup and specify the KEEP clause.
Which components are backed up when this option is specified?
A. only the control file, the current SPFILE, and data files
B. only the current SPFILE and data files if autobackup is disabled
C. only the data files and the archived redo logs
D. the control file, current SPFILE file, data files, and archived redo logs
Answer: D
http://docs.oracle.com/cd/E11882_01/backup.112/e10643/rcmsubcl011.htm#RCMRF90451
Note: You cannot use KEEP to override the retention policy for files stored in the fast recovery area. If you specify KEEP when backing
up to the recovery area, then RMAN issues an error.
When KEEP is specified, RMAN creates multiple backup sets. RMAN backs up data files, archived redo log files, the control file, and the server parameter
file with the options specified in the first backupOperand. Since
a backup of the control file is already created, an autobackup of the control file is not created. RMAN uses the FORMAT, POOL,
and TAG parameters for all the backups. For this reason, the FORMAT string
must allow for the creation of multiple backup pieces. Specifying %U
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