What are the two mandatory initialization parameters you need to set?

You decide to define the Flash Recovery Area manually. What are the two mandatory initialization parameters you need to set? (Choose two)

A.
LOG_ARCHIVE_DEST_10

B.
DB_CREATE_FILE_DEST

C.
RECOVERY_PARALLELISM

D.
DB_RECOVERY_FILE_DEST

E.
DB_RECOVERY_FILE_DEST_SIZE

F.
DB_FLASHBACK_RETENTION_TARGET