- A
Infrastructure as a Service (IaaS)
Why wrong: IaaS requires the customer to manage the OS, middleware, and runtime. If the team had to set up EC2 instances, install Python, configure nginx, and set up auto scaling themselves, that would be IaaS.
- B
Platform as a Service (PaaS)
PaaS abstracts infrastructure management. Elastic Beanstalk is PaaS — the developer uploads code and AWS manages the servers, load balancers, auto scaling, and OS patches automatically.
- C
Software as a Service (SaaS)
Why wrong: SaaS provides a complete end-user application (email, CRM). The team is deploying their own application, not consuming a vendor-provided one.
- D
Serverless
Why wrong: Serverless (like Lambda) is event-driven and runs individual functions. While Elastic Beanstalk manages servers on your behalf, serverless implies no persistent server at all. Elastic Beanstalk uses EC2 under the hood.
Quick Answer
The correct answer is Platform as a Service (PaaS). This cloud service model is the right choice because it provides a fully managed platform where developers can simply upload their code—in this case, a Python web application—and AWS automatically handles the underlying infrastructure, including load balancers, auto scaling groups, and operating system patching. On the AWS Certified Cloud Practitioner CLF-C02 exam, this scenario tests your ability to distinguish PaaS from Infrastructure as a Service (IaaS) and Software as a Service (SaaS); a common trap is confusing Elastic Beanstalk (PaaS) with EC2 (IaaS), since Beanstalk abstracts EC2 instances away from the developer. A helpful memory tip is to think of PaaS as “Platform, not Patching”—you manage only your code, while AWS manages the platform underneath.
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 development team wants to deploy a Python web application to AWS without managing load balancers, auto scaling groups, or the underlying EC2 instance operating systems. They want to upload their code and have AWS handle the infrastructure. Which cloud service model does this represent?
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
Platform as a Service (PaaS)
Platform as a Service (PaaS) provides a managed platform where developers can upload code and AWS handles the underlying infrastructure, including load balancing, auto scaling, and OS patching. AWS Elastic Beanstalk is a PaaS service that abstracts EC2 instances, load balancers, and auto scaling groups, allowing the team to focus solely on their Python web application code.
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 requires the customer to manage the OS, middleware, and runtime. If the team had to set up EC2 instances, install Python, configure nginx, and set up auto scaling themselves, that would be IaaS.
- ✓
Platform as a Service (PaaS)
Why this is correct
PaaS abstracts infrastructure management. Elastic Beanstalk is PaaS — the developer uploads code and AWS manages the servers, load balancers, auto scaling, and OS patches automatically.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Software as a Service (SaaS)
Why it's wrong here
SaaS provides a complete end-user application (email, CRM). The team is deploying their own application, not consuming a vendor-provided one.
- ✗
Serverless
Why it's wrong here
Serverless (like Lambda) is event-driven and runs individual functions. While Elastic Beanstalk manages servers on your behalf, serverless implies no persistent server at all. Elastic Beanstalk uses EC2 under the hood.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Serverless (Option D) with PaaS because both abstract infrastructure, but Serverless is specifically event-driven and stateless (e.g., AWS Lambda), whereas PaaS like Elastic Beanstalk runs a long-lived web application with traditional request-response patterns.
Detailed technical explanation
How to think about this question
Under the hood, PaaS services like AWS Elastic Beanstalk automatically provision an Elastic Load Balancer (ELB), an Auto Scaling group, and an Amazon RDS database if configured, while handling OS patching through the Elastic Beanstalk platform updates. A subtle behavior is that Elastic Beanstalk uses a CloudFormation stack to manage resources, so any manual changes to the underlying EC2 instances can cause drift and lead to deployment failures. In a real-world scenario, a team deploying a Django app on Elastic Beanstalk can simply upload a ZIP file and the service automatically configures the environment, but they must still manage the application-level settings like environment variables and security group rules.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
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.
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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: Platform as a Service (PaaS) — Platform as a Service (PaaS) provides a managed platform where developers can upload code and AWS handles the underlying infrastructure, including load balancing, auto scaling, and OS patching. AWS Elastic Beanstalk is a PaaS service that abstracts EC2 instances, load balancers, and auto scaling groups, allowing the team to focus solely on their Python web application code.
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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