Which three statements are correct regarding ASM instances in a RAC environment? (Choose three.)
A.
ASM instances can mount different sets of disk groups.
B.
ASM instances recognize their disks by looking at their headers.
C.
ASM instances can use different values for ASM_POWER_LIMIT.
D.
ASM instances must all have the same value for ASM_DISKSTRING.
E.
ASM instances must all have the same value for ASM_DISKGROUPS.