Which replication technology should be suggested to the customer?

A customer has a business requirement to replicate data between two sites and achieve a recovery point objective (RPO) as low as possible with the replicated data as up-to-date as possible. The existing inter-site link is a shared resource and can become congested.

Which replication technology should be suggested to the customer?
A . Metro Mirror
B . Active Cloud Engine
C . Intracluster mirroring
D . Global Mirror with change volume

Answer: D