- A
AWS Elastic Beanstalk
Why wrong: Elastic Beanstalk provides managed environments but is less flexible for custom EC2+RDS.
- B
AWS CloudFormation
CloudFormation can provision and tear down stacks easily.
- C
AWS OpsWorks
Why wrong: OpsWorks is for configuration management, not primarily for temporary environments.
- D
Amazon ECS
Why wrong: ECS is for containers, not for traditional EC2 and RDS.
Question 397 of 1,750
DOP-C02 SDLC Automation Practice Question
This DOP-C02 practice question tests your understanding of sdlc automation. 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 engineer wants to automate the creation and cleanup of temporary development environments on AWS. Each environment consists of an Amazon EC2 instance and an Amazon RDS database. The environments should be isolated and cost-effective. Which AWS service is best suited for this?
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 best suited because it allows you to define the entire temporary environment—EC2 instance and RDS database—as infrastructure as code (IaC) in a single template. You can create and delete the entire stack with one API call, ensuring isolation via separate stacks and cost-effectiveness by automating cleanup when the stack is deleted.
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
Elastic Beanstalk provides managed environments but is less flexible for custom EC2+RDS.
- ✓
AWS CloudFormation
Why this is correct
CloudFormation can provision and tear down stacks easily.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS OpsWorks
Why it's wrong here
OpsWorks is for configuration management, not primarily for temporary environments.
- ✗
Amazon ECS
Why it's wrong here
ECS is for containers, not for traditional EC2 and RDS.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse AWS Elastic Beanstalk's environment management (which does create EC2 and RDS) with the ability to easily and cost-effectively tear down temporary environments, but Elastic Beanstalk environments are designed for persistent applications and lack the simple, automated stack deletion that CloudFormation provides for ephemeral workloads.
Detailed technical explanation
How to think about this question
CloudFormation uses a declarative template (JSON or YAML) to define resources as a stack, and when you delete the stack, all resources are terminated in the correct order (e.g., RDS deletion policies can be set to 'Delete' to avoid orphaned snapshots). Under the hood, CloudFormation uses a state machine to track resource dependencies and roll back on failure, ensuring consistent teardown even if partial failures occur. In a real-world scenario, you can combine CloudFormation with AWS Service Catalog to allow developers to provision temporary environments with predefined templates, and use stack sets for multi-account isolation.
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
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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SDLC Automation — study guide chapter
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FAQ
Questions learners often ask
What does this DOP-C02 question test?
SDLC Automation — This question tests SDLC Automation — 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 best suited because it allows you to define the entire temporary environment—EC2 instance and RDS database—as infrastructure as code (IaC) in a single template. You can create and delete the entire stack with one API call, ensuring isolation via separate stacks and cost-effectiveness by automating cleanup when the stack is deleted.
What should I do if I get this DOP-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: Jul 4, 2026
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