A customer has an EMC VNX series NAS with a total of 20 TB of user data. The customer wants to use EMCNetWorker to backup the VNX to a Data Domain VTL. The VTL is configured with four tape drives that are
zoned to the backup server.
What is the minimum number of pools required to have a successful NDMP backup?

A.
1

B.
2

C.
3

D.
4