CCSP Cloud Concepts, Architecture, and Design Practice Question
A company wants to migrate a legacy application to the cloud with minimal re-architecture. They need control over the operating system and middleware but do not want to manage physical hardware. Which service model is most suitable?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
IaaS
IaaS provides virtualized computing resources where the customer manages OS, apps, and data, but not the underlying infrastructure.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
FaaS
Why it's wrong here
FaaS (Function as a Service) abstracts away infrastructure and OS completely.
- ✗
SaaS
Why it's wrong here
SaaS does not allow control over OS or middleware.
- ✓
IaaS
Why this is correct
Correct. IaaS provides the flexibility to manage OS and middleware.
- ✗
PaaS
Why it's wrong here
PaaS manages the OS and middleware, limiting customer control.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CCSP practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CCSP exam.