CompTIA A+ Core 1 (220-1001) — Question 364

Which of the following cloud models places all responsibility for operating system and application maintenance on the customer?

Answer options

• A. Private PaaS
• B. Community SaaS
• C. Private SaaS
• D. Public IaaS

Correct answer: D

Explanation

The correct answer is D, Public IaaS, because it provides the infrastructure where users manage the operating system and applications themselves. The other options, like Private PaaS and Community SaaS, involve varying levels of managed services that relieve the customer from some maintenance responsibilities.