Your database supports an online transaction processing (OLTP) workload and it needs to be up 24 x 7. You want to perform a complete database backup by using RMAN. Identify the minimum requirement for accomplishing the task.
A.
An RMAN channel must be configured to device-type disk.
B.
The database must be configured in ARCHIVELOG mode.
C.
Redo log groups must have at least two members each.
D.
All tablespaces in the database must be locally managed.
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