Scenario A customer with a fully virtualized environment has four ESX 4.1 servers in a
cluster with a SAN solution for storage. Each ESX server is hosting 40 virtual machines and
all virtual machines have the same local disk configurations: In addition, the environment
includes a NAS filer. The average time to fully backup all virtual machines on one ESX
server using EMC DD Boost is three hours. The customer is interested in implementing an
EMC NetWorker solution with Data Domain as a backup device. The backup server, storage
nodes, and proxies are SAN-attached. Refer to Scenario . Using a VADP proxy, EMC
NetWorker is backing up 12 virtual machines concurrently in SAN transport mode. What is
the total recommended RAM needed on the proxy?

A.
12 GB

B.
10 GB

C.
8 GB

D.
6 GB