A virtual environment in which an application uses memory and a processor from a provider based on a leased rate that depends on the amount of resources used per month is referred to as:

A virtual environment in which an application uses memory and a processor from a provider based on a leased rate that depends on the amount of resources used per month is referred to as:
A . virtual application streaming service.
B . metered service.
C . resource pooling.
D . Saa

Answer: B