Which two statements about the correct configuration of the flash recovery area in a RAC environment are true? (Choose two.)
A.
Set the flash recovery area size to no smaller than 20 GB.
B.
Set the DB_RECOVERY_FILE_DEST initialization parameter to the same value on all instances.
C.
Set the DB_RECOVERY_FILE_DEST_SIZE initialization parameter to the same value on all instances.
D.
The use of a common flash recovery area is not recommended on clusters containing more than four nodes.