- A
Modify the pipeline to use a dynamic stack name parameter, such as the branch name.
This creates unique stacks per branch, avoiding conflicts.
- B
Hardcode a different stack name for each branch in the pipeline.
Why wrong: Not scalable and requires manual updates.
- C
Delete the existing stack before each deployment.
Why wrong: This may cause downtime and is not efficient.
- D
Use the CloudFormation 'Override' parameter to reuse the same stack.
Why wrong: CloudFormation does not support overriding stack names.
Question 1,269 of 1,750
DOP-C02 Configuration Management and IaC Practice Question
This DOP-C02 practice question tests your understanding of configuration management and iac. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 uses AWS CodePipeline with a multi-branch strategy. The pipeline deploys a Lambda function using CloudFormation. The DevOps engineer notices that when a new branch is created, the pipeline executes but the CloudFormation stack fails because the stack name already exists. What is the MOST efficient way to resolve this issue?
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
✓
Modify the pipeline to use a dynamic stack name parameter, such as the branch name.
Option A is correct because using a dynamic stack name parameter, such as the branch name, ensures each branch creates a unique CloudFormation stack. This avoids naming conflicts while allowing independent infrastructure per branch. In CodePipeline, you can pass the branch name as a variable (e.g., #{SourceVariables.BranchName}) to the CloudFormation deploy action, making the stack name unique without manual intervention.
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.
- ✓
Modify the pipeline to use a dynamic stack name parameter, such as the branch name.
Why this is correct
This creates unique stacks per branch, avoiding conflicts.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Hardcode a different stack name for each branch in the pipeline.
Why it's wrong here
Not scalable and requires manual updates.
- ✗
Delete the existing stack before each deployment.
Why it's wrong here
This may cause downtime and is not efficient.
- ✗
Use the CloudFormation 'Override' parameter to reuse the same stack.
Why it's wrong here
CloudFormation does not support overriding stack names.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think hardcoding stack names per branch (Option B) is acceptable, but they overlook the operational overhead and lack of automation; AWS expects you to use dynamic parameters to handle multi-branch pipelines efficiently.
Detailed technical explanation
How to think about this question
Under the hood, CloudFormation stack names must be unique per AWS account and region. By using the branch name as part of the stack name (e.g., `myapp-${BranchName}`), you leverage CodePipeline's source variables to dynamically generate unique identifiers. This approach also enables parallel deployments for feature branches without interfering with each other, and it aligns with GitOps best practices where each branch represents an isolated environment.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Visual reference
Quick reference
Cloud Service Model Comparison
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
What to study next
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FAQ
Questions learners often ask
What does this DOP-C02 question test?
Configuration Management and IaC — This question tests Configuration Management and IaC — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Modify the pipeline to use a dynamic stack name parameter, such as the branch name. — Option A is correct because using a dynamic stack name parameter, such as the branch name, ensures each branch creates a unique CloudFormation stack. This avoids naming conflicts while allowing independent infrastructure per branch. In CodePipeline, you can pass the branch name as a variable (e.g., #{SourceVariables.BranchName}) to the CloudFormation deploy action, making the stack name unique without manual intervention.
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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