Which two statements a true about this disk group, crea…

Examine this command:
SQL> CREATE DISKROUP data NORMAL REDANDUNCY:
FAILGROUP fgrpl DISK
‘/dev/disk1’ NAME disk1,
‘/dev/disk2’ NAME disk2,
‘/dev/disk3’ NAME disk3,
FAILGROUP fgrpl2 DISK
‘/dev/disk4’ NAME disk4,
‘/dev/disk5’ NAME disk5,
‘/dev/disk6’ NAME disk6,
FAILGROUP fgrpl3 DISK
‘/dev/disk7’ NAME disk7,‘/dev/disk8’ NAME disk8,
‘/dev/disk9’ NAME disk9,
ATTRIBUTE ‘au_size’=’4M’,
‘compatible.asm’ = ’11.2’,
‘compatible.rdbms’ = ’11.2’,
‘compatible.advm’ = ’11.2’,
‘content_type’ = ‘recovery’;
Which two statements a true about this disk group, created using Grid Infrastructure 12.1?

A.
Each disk in each of the three fail groups is a mirror of the corresponding disk of the other two failure
groups.

B.
File created in this disk group always has two copies for each allocation unit: one primary and one
secondary.

C.
It can contain ASM Dynamic Volume Manager (ADVM) volumes.

D.
Any database instance with the COMPATIBLE parameter set to 11.2 or higher can access it.

E.
The ASM compatible attributes can be changed to 11.1 for this disk group.