Which two statements are true regarding ASM Dynamic Volume manager (ADVM)? 

Answer options:

A. To create an ADVM volume, disk group attributes COMAPTIBLE.ASM and COMPATIBLE.ADVM must be minimally set to 12.1.
B. An ADVM volume is individually named and can contain only one file system.
C. Only one ADVM volume can be created in an ASM disk group.
D. ADVM extends ASM by providing a device driver interface to storage backed by an ASM disk group.
E. File systems contained in ADVM volumes may only contain database files.

BD

B: Each volume is individually named and may be configured for a single file system. D: Oracle ADVM extends Oracle ASM by providing a disk driver interface to Oracle ASM storage allocated as Oracle ADVM volume files. Reference: https://docs.oracle.com/database/121/OSTMG/GUID-B7A61F3B-C22A-4021-A846-F5EA749E79FF.htm#OSTMG32000 (See Note and the third para from the top.)