- A
AWS CloudFormation
CloudFormation is the correct choice because it provides infrastructure as code using declarative templates, automatically manages resource dependencies and creation order, and supports version control.
- B
AWS Elastic Beanstalk
Why wrong: Elastic Beanstalk is a platform-as-a-service (PaaS) that simplifies application deployment but does not give the team granular control over individual resources like RDS or security groups in a single declarative template. It abstracts the infrastructure.
- C
AWS OpsWorks
Why wrong: OpsWorks uses Chef or Puppet for configuration management, focusing on automating server configuration rather than provisioning an entire multi-tier infrastructure from a declarative template.
- D
AWS CodePipeline
Why wrong: CodePipeline is a continuous integration and continuous delivery (CI/CD) service used to automate build, test, and deploy phases. It does not directly provision or manage infrastructure resources.
Quick Answer
The answer is AWS CloudFormation. This service is the correct choice because it provides an infrastructure as code service for declarative templates with dependency management, allowing you to define all resources—EC2 instances, an Application Load Balancer, RDS, and security groups—in a single JSON or YAML file, while CloudFormation automatically handles the creation order based on resource references. On the AWS Certified Cloud Practitioner CLF-C02 exam, this question tests your understanding of how CloudFormation enables repeatable, version-controlled deployments versus manual provisioning or services like Elastic Beanstalk, which abstracts more configuration. A common trap is confusing CloudFormation with AWS OpsWorks or Terraform, but remember that CloudFormation is AWS-native and uses declarative templates without requiring a separate state file. Memory tip: think "Form" as in "form a stack" from a template—CloudFormation builds your entire infrastructure in the correct order, every time.
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 DevOps team needs to deploy a multi-tier web application on AWS. The application consists of Amazon EC2 instances, an Application Load Balancer, an Amazon RDS database, and security groups. The team wants to define all these resources in a single declarative template, automatically manage the creation order and dependencies, and version control the template for repeatable deployments. Which AWS service should the team 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 service because it allows you to define all AWS resources (EC2, ALB, RDS, security groups) in a single declarative JSON or YAML template. It automatically manages the creation order based on resource dependencies (e.g., EC2 instances depend on security groups), supports version control of templates, and enables repeatable, consistent deployments across environments.
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
CloudFormation is the correct choice because it provides infrastructure as code using declarative templates, automatically manages resource dependencies and creation order, and supports version control.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Elastic Beanstalk
Why it's wrong here
Elastic Beanstalk is a platform-as-a-service (PaaS) that simplifies application deployment but does not give the team granular control over individual resources like RDS or security groups in a single declarative template. It abstracts the infrastructure.
- ✗
AWS OpsWorks
Why it's wrong here
OpsWorks uses Chef or Puppet for configuration management, focusing on automating server configuration rather than provisioning an entire multi-tier infrastructure from a declarative template.
- ✗
AWS CodePipeline
Why it's wrong here
CodePipeline is a continuous integration and continuous delivery (CI/CD) service used to automate build, test, and deploy phases. It does not directly provision or manage infrastructure resources.
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 service) with CloudFormation, thinking it can also define all resources declaratively, but Elastic Beanstalk only manages the environment and does not give you control over individual resource dependencies or a single version-controlled template.
Detailed technical explanation
How to think about this question
CloudFormation uses a stack-based model where each resource is defined with a DependsOn attribute or implicit references (e.g., Ref, Fn::GetAtt) to control creation order. Under the hood, it uses a change set mechanism to compare template updates against current stack state, enabling safe updates. In real-world scenarios, this prevents race conditions like launching EC2 instances before security group rules are applied, which would cause deployment failures.
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 all AWS resources (EC2, ALB, RDS, security groups) in a single declarative JSON or YAML template. It automatically manages the creation order based on resource dependencies (e.g., EC2 instances depend on security groups), supports version control of templates, and enables repeatable, consistent deployments across environments.
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
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
2 more ways this is tested on CLF-C02
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company is planning to deploy a multi-tier web application on AWS. The architecture includes Amazon EC2 instances, an Application Load Balancer, an Amazon RDS database, and security groups. The company wants to define and provision these resources as reusable, version-controlled infrastructure so they can consistently deploy the same environment to development, testing, and production accounts. The solution should allow the team to use JSON or YAML templates to describe the resources and their dependencies. Which AWS service should the company use?
medium- A.AWS Elastic Beanstalk
- ✓ B.AWS CloudFormation
- C.AWS OpsWorks
- D.AWS CodeDeploy
Why B: AWS CloudFormation is the correct service because it allows you to define and provision AWS infrastructure as code using JSON or YAML templates. This enables version-controlled, repeatable deployments across multiple accounts (development, testing, production) by describing resources like EC2 instances, ALBs, RDS databases, and security groups along with their dependencies in a declarative template.
Variation 2. A company plans to deploy a multi-tier web application on AWS. The architecture includes Amazon EC2 instances for the web and application tiers, an Application Load Balancer for traffic distribution, and an Amazon RDS database for the data tier. The company wants to automate the provisioning and configuration of all these AWS resources in a repeatable and predictable manner. The solution should allow the infrastructure definition to be stored in a version control system and be used to create identical environments for development, testing, and production with minimal manual effort. Which AWS service should the company use to define and manage the infrastructure as code?
medium- ✓ A.AWS CloudFormation
- B.AWS Elastic Beanstalk
- C.AWS OpsWorks
- D.AWS CodeDeploy
Why A: AWS CloudFormation is the correct service because it enables you to define your entire multi-tier infrastructure—EC2 instances, Application Load Balancer, and RDS database—as a declarative JSON or YAML template. This template can be stored in a version control system and used to provision identical environments across development, testing, and production with a single API call, ensuring repeatability and predictability.
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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