You are proposing a NAS solution for your customer. The final solution includes:
Celerra NS40 integrated
Twenty six (26) 146 GB disk drives
One Celerra Enterprise license
One Celerra SnapSure license
Two EMC CAVA licenses

Which hardware is the customer required to provide for the above licensed solution?

A.
A serverforCLARalert e-mail home

B.
An ESRS gateway for secure notifications

C.
A modemforCelerra dial-home

D.
Two servers for antivirus scanning