Which two statements are valid?

You are given the task of managing an Oracle RAC 12cR1 Cluster by using Oracle Flex ASM. Which
two statements are valid?

A.
A failure of an ASM instance affects the databases, even if you are using ASM disk groups.

B.
A failure of an ASM instance affects availability for the databases using ASM disk groups due to
decreased cardinality of available ASM instances.

C.
To determine whether Oracle Flex ASM is enabled, use asmcmdshowclustermode.

D.
When deployed, Oracle Flex ASM enables an Oracle ASM instance to run on a separate physical
server from the database server