What two things must be considered when creating a bucket on an ECS cluster? (Select 2)

What two things must be considered when creating a bucket on an ECS cluster? (Select 2)
A . Buckets should be created with a unique name within a federation.
B . Buckets can be accessed from any VDC belonging to the same replication group.
C . Buckets should be created at the VDC closest to the application accessing and updating the objects.
D . S3 buckets support NFS and Centera CAS data access.

Answer: BC