Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
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?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
AWS CloudFormation
Correct. AWS CloudFormation lets you define your entire infrastructure as code in templates, enabling repeatable and version-controlled provisioning of resources like EC2, ALB, and RDS.
B
Distractor review
AWS Elastic Beanstalk
Incorrect. Elastic Beanstalk is a PaaS service that automates application deployment and provisioning, but it abstracts the infrastructure and does not offer the same infrastructure-as-code flexibility or version control of the exact resource definitions.
C
Distractor review
AWS OpsWorks
Incorrect. OpsWorks is a configuration management service using Chef/Puppet, focused on server configuration rather than declaratively provisioning a full set of resources across different AWS services.
D
Distractor review
AWS CodeDeploy
Incorrect. CodeDeploy automates code deployments to existing compute instances, but it does not provision or manage the underlying infrastructure resources.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A developer needs to launch a test server for a new application prototype. The developer logs into the AWS Management Console, selects an Amazon EC2 instance type, configures the security group, and starts the instance. The instance is running within two minutes, and the developer did not need to submit a formal request to the company's IT procurement team or wait for approval from a cloud administrator. Which essential characteristic of cloud computing does this scenario best demonstrate?
Question 2
A solutions architect is planning a new web application on AWS. The workload will include 3 Amazon EC2 instances (t3.medium) running 24/7, an Application Load Balancer, and an Amazon RDS for MySQL db.t3.small database. The architect needs to estimate the monthly cost for the first year, considering different purchasing options (On-Demand, 1-year All Upfront Reserved Instance, and Compute Savings Plan). Which AWS tool should the architect use to create this estimate?
Question 3
A company's development team frequently needs temporary test environments. A developer can log into the AWS Management Console, select an Amazon EC2 instance type, configure storage, and launch the instance within minutes without any interaction with the IT infrastructure team. This capability is an example of which essential characteristic of cloud computing?
Question 4
A company's finance team needs to analyze AWS spending in detail. They require a report that includes hourly cost data for each AWS service, each individual resource (e.g., a specific EC2 instance), and any cost allocation tags applied. The team plans to export this data to an Amazon S3 bucket and then import it into a custom business intelligence (BI) analytics dashboard. Which AWS tool should the finance team use to generate this level of detailed cost data?
Question 5
A company uses AWS for its development environment. The finance team wants to set a monthly budget of $10,000. They want to receive an email notification when the actual costs reach 80% of the budget ($8,000) and again when costs exceed the budget. The team needs a managed AWS service that can automatically send these alerts without requiring custom code or third-party tools. Which AWS service should the team use?
Question 6
A company uses AWS Organizations to manage multiple accounts. The security team needs to enforce a policy that restricts SSH access (port 22) from the internet (0.0.0.0/0) in all VPCs across all accounts. The team wants to centrally define the allowed rules and automatically apply them to newly created VPCs and security groups, while also automatically remediating any existing non-compliant security groups. Which AWS service should the team use?
FAQ
Questions learners often ask
What does this CLF-C02 question test?
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 an Infrastructure as Code (IaC) service that allows you to define your AWS resources in a declarative template (JSON or YAML). You can version-control the template and use it to provision and manage stacks of resources repeatably. This meets the requirement for automating deployment of the entire multi-tier application consistently across environments. AWS Elastic Beanstalk is a PaaS service that automatically handles provisioning for you, but it abstracts the underlying resources and does not offer the fine-grained, code-driven control over the exact resource definitions as CloudFormation does. It is more about application deployment than infrastructure as code. AWS OpsWorks is a configuration management service based on Chef and Puppet, primarily for managing server configurations, not for declaratively provisioning all resources like EC2, ALB, and RDS together. AWS CodeDeploy is a service that automates code deployments to existing compute instances, not for provisioning the underlying infrastructure.
What should I do if I get this CLF-C02 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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