You have been assigned to resolve a customer’s EMC VNX file-level backup design issue.
They are using EMC NetWorker with Data Domain as a LAN backup device. The IT
infrastructure consists of LAN and SAN components. Which solution provides the least
amount of traffic over the production LAN and SAN?

A.
Copy the data to the SAN segment, then backup to the Data Domain

B.
Local backup with an NDMP tape server directly attached to a Data Domain VTL

C.
Local backup to the same VNX, then migrate it to a physically attached library

D.
Three-way backup to the Data Domain with a dedicated storage node