The OceanStor 9000 provides directory-level snapshots. The application limits of snapshots include: (Multiple choice)

The OceanStor 9000 provides directory-level snapshots. The application limits of snapshots include: (Multiple choice)
A . Snapshot does not support nesting, that is, under the directory where the snapshot has been created, no backup can be created for its parent directory and subdirectories.
B . If the directory or its subdirectories have snapshots, the directory can’t be destroyed
C . File remote synchronization of the snapshot directory (.snapshot) and its snapshot files are not supported.
D . Snapshots to the root directory are not supported

Answer: ABCD