CompTIA A+ Core 1 (220-1001) — Question 395

A company subscribes to a vendor for office software that is delivered via the Internet rather than installed on each workstation. The company is using:

Answer options

• A. PaaS.
• B. SaaS.
• C. NaaS.
• D. IaaS.

Correct answer: B

Explanation

The correct answer is B, SaaS (Software as a Service), which refers to software that is hosted in the cloud and accessed through the Internet. The other options don't fit: PaaS (Platform as a Service) is for platforms, NaaS (Network as a Service) relates to networking solutions, and IaaS (Infrastructure as a Service) provides virtualized computing resources.