A customer in each of the two cities to deploy a storage OceanStor V3, using asynchronous remote replication between two storage array network, which statement is correct? (Choose 2 answers)

A customer in each of the two cities to deploy a storage OceanStor V3, using asynchronous remote replication between two storage array network, which statement is correct? (Choose 2 answers)
A . asynchronous remote replication automatically create a snapshot of the type can be private snapshot, also maybe the public snapshot
B . drill in disaster scenarios, it is suggested that the LUN from end to create the virtual snapshot and mapping to the host for a visit
C . Remote replication link networking, the parallel network is better than the performance of cross-networking
D . The number of LUN consistency within the group should be used sparingly, only to have to write the same application dependencies within a LUN on the consistency group

Answer: BD