CV0-004 Cloud Architecture and Design Practice Question
Which cloud service model provides the customer with the most control over the operating system and software stack?
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 the OS, middleware, and applications. PaaS abstracts the OS, SaaS provides complete applications, and FaaS abstracts the runtime entirely.
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 is serverless; the customer only provides function code.
- ✗
SaaS
Why it's wrong here
SaaS provides complete applications; the customer does not manage the OS.
- ✗
PaaS
Why it's wrong here
PaaS provides a managed runtime; the customer does not manage the OS.
- ✓
IaaS
Why this is correct
IaaS provides virtual machines, storage, and networking; the customer manages the OS and above.
Quick reference
Cloud Service Model Comparison
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CV0-004 practice question is part of Courseiva's free CompTIA 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 CV0-004 exam.