Your customer has recently seen a significant increase in overall useable capacity of their CIFS file shares after enabling file-based deduplication. They have also noticed a significant decrease in the overall available storage on the VNX system.

What is the most likely cause?

A.
Replicator is enabled.

B.
Significant increase in user activity.

C.
Checkpoints are disabled.

D.
Recent restore of a file system.