Your customer is using 505 Data Movers and would like to upgrade the EMCNAS code to support
VDMs. What needs to be done before upgrading?

A.
Upgrade the 505 Data Movers to 510 or higher, and extend the root file system

B.
Upgrade the 505 Data Movers to 510 or higher

C.
Add memory to the Data Mover and extend the root file system

D.
Extend the root file system