A. Physical and logical block corruption is recorded automatically in V$DATABASE_BLOCK_ CORRUPTION
B. Logical corruptions are repairable by BMR
C. Physical corruptions are repairable by BMR
D. RMAN can use any backup for a BMR restore
E. ARCHIVELOG mode is not required if you have both a full and incremental backup for restore

A. It's only supported for the backups performed on the tape
B. It is not supported for backup operations that produce image copies
C. Duplex backups need a parallelism for the device to be equal to number of copies
D. Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously