Which statement about ACFS and ADVM under Flex ASM is incorrect?

A.
An ADVM proxy instance is required for ADVM and ACFS to connect to flex ASM.

B.
An ADVM proxy instance must run on the same node as ADVM and ACFS.

C.
The ADVM proxy instance is configured on all Hub and Leaf nodes in a Flex cluster.

D.
The ADVM proxy instance has its ORACLE_SID set to +APX<node number>.

E.
Administrators can shut down the ADVM proxy if ACFS is not running on the node.