A large enterprise that is currently supported by a very large IT infrastructure and experienced staff would like to offer individual Business Units (BUs) the ability to use local servers and storage on an as-needed basis. The BUs would then be charged accordingly, based on their individual usage. Which cloud service and deployment model combination provides an appropriate solution?
A. Platform as a Service, public cloud
B. Platform as a Service, private cloud
C. Infrastructure as a Service, public cloud
D. Infrastructure as a Service, private cloud