- A
Infrastructure as a Service (IaaS)
Why wrong: IaaS (like EC2) provides virtualized computing infrastructure — customers manage OS, middleware, and applications on top of the virtualized hardware.
- B
Platform as a Service (PaaS)
Why wrong: PaaS (like Elastic Beanstalk) provides a platform for developers to deploy applications — customers manage the application and data, provider manages OS and runtime.
- C
Software as a Service (SaaS)
SaaS provides complete applications through the internet — the provider manages everything (hardware through application) and customers only manage their data and user access settings.
- D
Function as a Service (FaaS)
Why wrong: FaaS (like Lambda) is event-driven compute where customers manage function code — it's more accurately categorized as serverless compute, not SaaS.
Quick Answer
The answer is Software as a Service (SaaS). This is the correct cloud service model because in SaaS, the provider manages everything from the underlying infrastructure and platform to the application software itself, leaving the customer responsible only for their own data and user access. On the AWS Certified Cloud Practitioner CLF-C02 exam, this question tests your ability to distinguish between the three core service models—SaaS, PaaS, and IaaS—by focusing on the division of management responsibility. A common trap is confusing SaaS with Platform as a Service (PaaS), but remember that PaaS still requires the customer to manage the application code, whereas SaaS delivers a fully finished product. For a quick memory tip, think of SaaS as “Software as a Subscription”—you just log in and use it, like Gmail or Salesforce, while the provider handles everything else behind the scenes.
CLF-C02 Cloud Concepts Practice Question
This CLF-C02 practice question tests your understanding of cloud concepts. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company is migrating to AWS and wants to understand the different types of cloud service models. Which model describes a service where the provider manages everything including the application, and the customer only manages their data and user access?
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
Software as a Service (SaaS)
In the Software as a Service (SaaS) model, the cloud provider manages the entire application stack, including infrastructure, platform, and application software. The customer is responsible only for their data and user access, typically through a web browser or API. This aligns with the description where the provider manages everything including the application.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Infrastructure as a Service (IaaS)
Why it's wrong here
IaaS (like EC2) provides virtualized computing infrastructure — customers manage OS, middleware, and applications on top of the virtualized hardware.
- ✗
Platform as a Service (PaaS)
Why it's wrong here
PaaS (like Elastic Beanstalk) provides a platform for developers to deploy applications — customers manage the application and data, provider manages OS and runtime.
- ✓
Software as a Service (SaaS)
Why this is correct
SaaS provides complete applications through the internet — the provider manages everything (hardware through application) and customers only manage their data and user access settings.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Function as a Service (FaaS)
Why it's wrong here
FaaS (like Lambda) is event-driven compute where customers manage function code — it's more accurately categorized as serverless compute, not SaaS.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse PaaS with SaaS because both involve managed services, but PaaS still requires the customer to manage the application code and data, whereas SaaS offloads the entire application management to the provider.
Detailed technical explanation
How to think about this question
Under the hood, SaaS applications are multi-tenant, meaning a single instance of the software serves multiple customers, with data isolation enforced at the application layer. Real-world examples include Salesforce CRM or Google Workspace, where customers configure user permissions and data storage but have no access to the underlying servers or operating system. This model shifts the operational burden entirely to the provider, making it ideal for organizations that want to avoid patching, scaling, and maintenance.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
- →
Cloud Concepts — study guide chapter
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Cloud Concepts — This question tests Cloud Concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Software as a Service (SaaS) — In the Software as a Service (SaaS) model, the cloud provider manages the entire application stack, including infrastructure, platform, and application software. The customer is responsible only for their data and user access, typically through a web browser or API. This aligns with the description where the provider manages everything including the application.
What should I do if I get this CLF-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This CLF-C02 practice question is part of Courseiva's free Amazon Web Services 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 CLF-C02 exam.
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