- A
AWS Elastic Beanstalk
Why wrong: AWS Elastic Beanstalk is a platform as a service (PaaS) that simplifies application deployment and scaling. However, it abstracts the underlying resources and does not provide a declarative template language for defining all infrastructure components in a reusable, version-controlled manner. It is not the primary service for infrastructure as code.
- B
AWS CloudFormation
AWS CloudFormation is the correct service. It enables you to define and provision AWS infrastructure using declarative templates. You can version control these templates, review them, and deploy consistent environments across development, test, and production. This is the ideal solution for infrastructure as code on AWS.
- C
AWS OpsWorks
Why wrong: AWS OpsWorks is a configuration management service that uses Chef and Puppet to automate server configuration. While it can help manage existing infrastructure, it does not provide a declarative template language to provision a wide range of AWS resources in a repeatable infrastructure-as-code manner. CloudFormation is the appropriate service for that task.
- D
AWS CodeDeploy
Why wrong: AWS CodeDeploy automates the deployment of application code to Amazon EC2 instances, AWS Lambda, or on-premises servers. It does not handle the provisioning of infrastructure resources like EC2 instances, RDS databases, or S3 buckets. CodeDeploy is a deployment tool, not an infrastructure provisioning tool.
CLF-C02 Cloud Technology and Services Practice Question
This CLF-C02 practice question tests your understanding of cloud technology and services. 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 deploying a new web application on AWS. The operations team needs to provision and manage AWS resources such as Amazon EC2 instances, Amazon RDS databases, and Amazon S3 buckets in a repeatable, consistent manner across development, test, and production environments. The team wants to define the entire infrastructure as code using declarative templates that can be version-controlled and reviewed. Which AWS service should the team use to meet this requirement?
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 service because it allows you to define your entire infrastructure as code using declarative templates (JSON or YAML). These templates can be version-controlled and reviewed, enabling repeatable and consistent provisioning of resources like EC2 instances, RDS databases, and S3 buckets across multiple environments. CloudFormation manages the lifecycle of these resources as stacks, ensuring idempotent deployments.
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 Elastic Beanstalk
Why it's wrong here
AWS Elastic Beanstalk is a platform as a service (PaaS) that simplifies application deployment and scaling. However, it abstracts the underlying resources and does not provide a declarative template language for defining all infrastructure components in a reusable, version-controlled manner. It is not the primary service for infrastructure as code.
- ✓
AWS CloudFormation
Why this is correct
AWS CloudFormation is the correct service. It enables you to define and provision AWS infrastructure using declarative templates. You can version control these templates, review them, and deploy consistent environments across development, test, and production. This is the ideal solution for infrastructure as code on AWS.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS OpsWorks
Why it's wrong here
AWS OpsWorks is a configuration management service that uses Chef and Puppet to automate server configuration. While it can help manage existing infrastructure, it does not provide a declarative template language to provision a wide range of AWS resources in a repeatable infrastructure-as-code manner. CloudFormation is the appropriate service for that task.
- ✗
AWS CodeDeploy
Why it's wrong here
AWS CodeDeploy automates the deployment of application code to Amazon EC2 instances, AWS Lambda, or on-premises servers. It does not handle the provisioning of infrastructure resources like EC2 instances, RDS databases, or S3 buckets. CodeDeploy is a deployment tool, not an infrastructure provisioning tool.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS Elastic Beanstalk (a PaaS for application deployment) with infrastructure-as-code, but Elastic Beanstalk does not provide the declarative, version-controlled resource templates that CloudFormation offers for managing individual AWS resources like EC2, RDS, and S3 across environments.
Detailed technical explanation
How to think about this question
CloudFormation templates use a declarative syntax where you specify the desired state of resources, and the CloudFormation engine handles the underlying API calls to create, update, or delete them in the correct order, respecting dependencies via the DependsOn attribute. Under the hood, CloudFormation uses a change set mechanism to preview modifications before execution, which is critical for production environments to avoid unintended resource changes. A real-world scenario is using nested stacks to modularize infrastructure components, such as a VPC stack referenced by multiple application stacks, ensuring reusability and consistency.
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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 service because it allows you to define your entire infrastructure as code using declarative templates (JSON or YAML). These templates can be version-controlled and reviewed, enabling repeatable and consistent provisioning of resources like EC2 instances, RDS databases, and S3 buckets across multiple environments. CloudFormation manages the lifecycle of these resources as stacks, ensuring idempotent deployments.
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.
About these practice questions
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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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