Once the cluster has been moved to New York, what will mitigate re-transmitting the entire dataset over the WAN to the target cluster in the new location?

A company has two Isilon clusters located in San Francisco, California. One cluster is the source and the other is the target. For efficiency, the dataset is being replicated between the two clusters within the same data center. The target cluster will be moved to the New York area as part of a disaster recovery solution once the initial full copy is complete.

Once the cluster has been moved to New York, what will mitigate re-transmitting the entire dataset over the WAN to the target cluster in the new location?
A . Enable target compare initial sync and then re-run the policy
B . Run a sync policy with excluded directories defined
C . Run a copy policy with excluded directories defined
D . Enable the policy to run on all nodes in the cluster

Answer: A