CCDE: Cisco Certified Design Expert (Practical) — Question 98

What is a web-based model in which a third-party provider hosts applications that are available to customers over the Internet?

Answer options

Correct answer: D

Explanation

The correct answer is D, SaaS, which stands for Software as a Service, where applications are delivered over the internet by a third-party provider. Options A (PaaS), B (WaaS), and C (IaaS) refer to different service models that do not specifically provide applications directly to users but rather platforms or infrastructure.