What is a difference between backing up a VMware guest machine versus a physical machine?

A company has decided to deploy Dell EMC Avamar software on guest machines in a VMware environment.

What is a difference between backing up a VMware guest machine versus a physical machine?
A . Guest machine’s backup workload is transferred to a proxy server
B . Only image level recovery of the guest machine is available
C . Avamar agent does not need to be installed on physical machines
D . No difference in how these two types of backups operate

Answer: D