Which are two Storage DRS requirements? (Choose two.)

Which are two Storage DRS requirements? (Choose two.)
A . Datastore clusters must have datastores of the same size and I/O capacities.
B . NFS and VMFS datastores cannot be combined in the same datastore cluster.
C . Datastores shared across multiple datacenters cannot be included in a datastore cluster.
D . NFS and vSAN datastores can be combined in the same datastore clusters.
E . A dedicated TCP/IP stack is required for datastore clusters.

Answer: B,C