CV0-004 Cloud Architecture and Design Practice Question
Which of the following is a characteristic of serverless computing (FaaS)?
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
✓
You are charged per execution or compute time
FaaS executes code in response to events and charges only for the compute time consumed.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
You pay for allocated resources regardless of usage
Why it's wrong here
Serverless charges based on execution time, not allocated resources.
- ✓
You are charged per execution or compute time
Why this is correct
Pay-per-execution is a key serverless feature.
- ✗
You must manage the underlying servers
Why it's wrong here
Serverless abstracts server management.
- ✗
You have to provision capacity in advance
Why it's wrong here
Serverless scales automatically and does not require pre-provisioning.
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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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.