How do service profiles enable workload mobility?

How do service profiles enable workload mobility?
A . Service Profiles represent a physical view of a server without any ties to specific virtual hardware
B . Service Profiles work with the underlying hypervisor and communicate with the VM to detect workload movement
C . Service Profiles represent a logical view of a server without any ties to specific physical hardware
D . Service Profiles communicate workload movement to VCenter

Answer: A