How is data moved to the cloud using the CloudPools software module?

How is data moved to the cloud using the CloudPools software module?
A . Files are divided into 1 MB objects and stored in the cloud, leaving small stub files on the Isilon cluster
B . Files are divided into 1 MB objects and transferred over NDMP to the cloud service, leaving database entries on the Isilon cluster
C . Data is transferred to cloud services and encoded based on the cloud configuration, leaving small stub files on the Isilon cluster
D . Data is transferred to cloud services based on CloudPools policy settings, leaving nothing on the Isilon cluster

Answer: A