Which two statements are true about Flex ASM in a Flex Cluster? 

Answer options:

A. Oracle databases from releases older than 12c cannot use Flex ASM.
B. ACFS may only be configured on a hub node running an ASM instance.
C. Instances of ASM-based databases on hosts that have no ASM instance running, require Flex ASM.
D. Flex ASM requires that I/Os requests be sent through an ASM Proxy Instance, regardless of database and ASM instance placement in a cluster.
E. Hub nodes with connections from multiple leaf nodes must run an ASM instance.

AC