How should the architect design the virtual infrastructure to meet the operating system license requirements?

An architect is designing a solution for an environment with a limited number of operating system licenses.

How should the architect design the virtual infrastructure to meet the operating system license requirements?
A . Place the hosts into a single cluster and enable automated placement of virtual machines.
B . Create rules to restrict placement of virtual machines to specified hosts.
C . Create a resource pool and only put the virtual machines that need the operating system licenses within the pool.
D . Use standalone ESXi hosts and only apply the operating system licenses to those hosts.

Answer: B