A customer has a large ESX environment managed by one vCenter server. They want a

backup solution using EMC NetWorker and Data Domain devices. They want to perform
SAN-based backups using physical NetWorker proxy hosts. In addition, they want to run
150 virtual machine backups at the same time. When creating a backup design for this
environment, what is a vCenter consideration?

A.
Deploying two physical proxy hosts with DD Boost

B.
Reducing the amount of simultaneous image backups

C.
Deploying three physical proxy hosts

D.
Using DD Boost to increase the amount of virtual machines per proxy