Certified Cloud Security Professional (CCSP) — Question 413

In which cloud service model is the customer required to maintain the OS?

Answer options

• A. Iaas
• B. CaaS
• C. PaaS
• D. SaaS

Correct answer: A

Explanation

The correct answer is A (IaaS), as Infrastructure as a Service requires the customer to handle the operating system and applications. In contrast, PaaS (C) and SaaS (D) abstract away the OS management from the user, while CaaS (B) focuses on container management, not OS maintenance.