A cloud computing-related Security+ question

Someone tossed a Security+ study question my way this week. This is an example of Security+ trying to be CISSP Lite, but it’s still a valid question–probably for either test, and for SSCP and CISM too.

A small not-for-profit organization needs to invest in a new expensive database. There is no budget for additional servers or personnel. Which of the following solutions would allow it to save money by avoiding hiring additional personnel and minimize the footprint in their current datacenter?

A. Linux
B. Software as a Service (SaaS)
C. Infrastructure as a Service (IaaS)
D. Platform as a Service (PaaS)

Let’s take it one at a time.

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