- A
AWS CloudFormation
Correct. AWS CloudFormation is the dedicated Infrastructure as Code service that allows you to define and provision AWS resources using templates, enabling consistent and repeatable deployments across environments.
- B
AWS Elastic Beanstalk
Why wrong: Incorrect. AWS Elastic Beanstalk is a Platform as a Service (PaaS) that automates application deployment and scaling, but it manages the underlying infrastructure for you. It does not provide the granular infrastructure-as-code template approach that allows defining arbitrary AWS resources like S3 buckets or RDS databases in a single template.
- C
AWS OpsWorks
Why wrong: Incorrect. AWS OpsWorks is a configuration management service that uses Chef and Puppet to automate server configuration. While it can be used for some infrastructure automation, it is not a general-purpose infrastructure-as-code template service. CloudFormation is the more native and comprehensive choice for defining the entire stack as code.
- D
AWS CodeDeploy
Why wrong: Incorrect. AWS CodeDeploy is a deployment service that automates code deployments to running instances. It does not define or provision the underlying AWS resources like EC2 instances or databases. CloudFormation is needed to create and manage the infrastructure itself.
Quick Answer
AWS CloudFormation is the correct choice because it allows you to define your entire infrastructure—including EC2 instances, RDS databases, and S3 buckets—as code using a single JSON or YAML template. This template can be stored in a version control system and deployed consistently across development, test, and production environments, eliminating configuration drift and manual errors by treating infrastructure as code. On the AWS Certified Cloud Practitioner CLF-C02 exam, this question tests your understanding of how CloudFormation enables repeatable, automated deployments, often contrasting it with manual setup or services like Elastic Beanstalk, which focuses on application deployment rather than raw infrastructure definition. A common trap is confusing CloudFormation with AWS OpsWorks or Terraform—remember that CloudFormation is AWS’s native, fully managed IaC service. Memory tip: think “Form” as in “form your infrastructure from a template”—one template, many environments, zero drift.
CLF-C02 Cloud Technology and Services Practice Question
This CLF-C02 practice question tests your understanding of cloud technology and services. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 manages a web application that consists of Amazon EC2 instances, an Amazon RDS database, and an Amazon S3 bucket. The team deploys the application to separate development, test, and production environments. Currently, the team manually configures each environment, which has led to configuration drift and deployment errors. The company wants to define the entire infrastructure as code, store the definition in a version control system, and deploy it consistently across all environments with a single template. Which AWS service should the company use to meet these requirements?
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
AWS CloudFormation
AWS CloudFormation is the correct choice because it enables you to define your entire infrastructure—including EC2 instances, RDS databases, and S3 buckets—as code in a JSON or YAML template. This template can be stored in a version control system and deployed consistently across development, test, and production environments using a single template, eliminating configuration drift and manual errors.
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.
- ✓
AWS CloudFormation
Why this is correct
Correct. AWS CloudFormation is the dedicated Infrastructure as Code service that allows you to define and provision AWS resources using templates, enabling consistent and repeatable deployments across environments.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Elastic Beanstalk
Why it's wrong here
Incorrect. AWS Elastic Beanstalk is a Platform as a Service (PaaS) that automates application deployment and scaling, but it manages the underlying infrastructure for you. It does not provide the granular infrastructure-as-code template approach that allows defining arbitrary AWS resources like S3 buckets or RDS databases in a single template.
- ✗
AWS OpsWorks
Why it's wrong here
Incorrect. AWS OpsWorks is a configuration management service that uses Chef and Puppet to automate server configuration. While it can be used for some infrastructure automation, it is not a general-purpose infrastructure-as-code template service. CloudFormation is the more native and comprehensive choice for defining the entire stack as code.
- ✗
AWS CodeDeploy
Why it's wrong here
Incorrect. AWS CodeDeploy is a deployment service that automates code deployments to running instances. It does not define or provision the underlying AWS resources like EC2 instances or databases. CloudFormation is needed to create and manage the infrastructure itself.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS Elastic Beanstalk's automated deployment and scaling capabilities with infrastructure-as-code provisioning, overlooking that CloudFormation provides the explicit, version-controlled template required for consistent multi-environment infrastructure management.
Detailed technical explanation
How to think about this question
CloudFormation templates are declarative JSON or YAML documents that define resources, dependencies, and parameters; the service handles the order of creation, updates, and deletion using a stack-based model. Under the hood, CloudFormation uses a change set mechanism to preview modifications before execution, and it supports drift detection to identify manual changes outside of the template. In a real-world scenario, a team can use nested stacks or modules to reuse infrastructure components across environments while maintaining a single source of truth in version control.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Cloud Technology and Services — This question tests Cloud Technology and Services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS CloudFormation — AWS CloudFormation is the correct choice because it enables you to define your entire infrastructure—including EC2 instances, RDS databases, and S3 buckets—as code in a JSON or YAML template. This template can be stored in a version control system and deployed consistently across development, test, and production environments using a single template, eliminating configuration drift and manual errors.
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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