Which two statements are true?

Disk group DGRP1 has these attributes:
1. Normal redundancy
2. Two failure groups FG1 and FG2 with two disks each
3. Compatibility settings set to 12.1
The FG1 failure group goes offline due to hardware failure.Which two statements are true? (Choose two.)

A.
The redundancy is lowered until the FG1 failgroup is restored and the disk group resynchronized.

B.
New allocation units are mirrored in the FG2 failure group until FG1 is restored and the disk group
resynchronized.

C.
Transactions on database objects stored in tablespaces in the DGRP1 disk group fail.

D.
New allocation units are not mirrored but changes to allocation units are tracked in the FG2 failure group.