What Describes the Cutover Operation for a File Import Session

Multiple Choice

What describes the Cutover operation for a File Import session?

A) Client access to data is switched to the target Unity system and the session can be rolled back if Canceled.
B) Production data access is from Unity but the clients still connect to the interface of the VNX.
C) Production data access is permanently set on Unity and the original data is deleted from VNX.
D) Client access to data is switched to the target Unity system and the session cannot be rolled back or Canceled.