Which cloud model is this user consuming?

A user is presented with the underlying hardware and software needed to develop and offer applications via the Internet from a cloud service provider.

Which cloud model is this user consuming?
A . Software as a Service
B . Platform as a Service
C . Application as a Service
D . Infrastructure as a Service

Answer: A

Explanation:

From:

Cloud computing -Wikipedia, the free encyclopedia https://en.wikipedia.org/wiki/Cloud_computing#Service_models