A database is running in archivelog mode. You want to back up a 10 TB data file belonging
to the users tablespace. The backup of the data file is too slow. What type of backup do you
recommend to improve the performance of the backup?
A.
cold backup after placing the tablespace in backup mode
B.
cold backup after taking the tablespace offline
C.
multisection image copy backup by using RMAN
D.
image copy backup by using RMAN
E.
multisection parallel backup by using RMAN
Explanation:
C,E