Examine the RMAN command:
RMAN> RUN {
ALLOCATE CHANNEL c1 DEVICE TYPE sbt;
ALLOCATE CHANNEL c2 DEVICE TYPE sbt;
ALLOCATE CHANNEL c3 DEVICE TYPE sbt;
BACKUP
INCREMENTAL LEVEL = 0
(DATAFILE 1, 4, 5 CHANNEL c1)
(DATAFILE 2, 3, 9 CHANNEL c2)
(DATAFILE 6, 7, 8 CHANNEL c3)
SQL ‘ALTER SYSTEM ARCHIVE LOG CURRENT’; }
Which statement is true about the command? Choose the best answer.
A. It uses multisection backup.
B. It uses parallelization for the backup set.
C. It uses asynchronous I/O for the backup.
D. It creates compressed backup sets.
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