- A
Configure CodeBuild to run a script that checks the commit author and rejects if not approved
Why wrong: CodeBuild cannot enforce pull request approvals.
- B
Use Amazon EventBridge to trigger a Lambda function that validates the number of approvers before merging
Why wrong: EventBridge can trigger but cannot enforce the approval workflow directly.
- C
Use IAM policies to restrict write access to the production branch to only senior developers
Why wrong: IAM cannot enforce multi-approval workflow.
- D
Use CodeCommit pull request approval rules and a CodePipeline with a manual approval step triggered by a Lambda function that checks approval status
This enforces the two-approval requirement and automates staging deployment.
Question 1,203 of 1,750
DOP-C02 SDLC Automation Practice Question
This DOP-C02 practice question tests your understanding of sdlc automation. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 is designing a CI/CD pipeline that must enforce a policy: any change to the production branch in CodeCommit must be reviewed and approved by two senior developers before the change can be merged. The pipeline must also automatically build and deploy to a staging environment after approval. Which combination of AWS services and configurations should be used?
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
✓
Use CodeCommit pull request approval rules and a CodePipeline with a manual approval step triggered by a Lambda function that checks approval status
Option D is correct because CodeCommit pull request approval rules enforce the requirement for two senior developers to approve changes before merging, and CodePipeline with a manual approval step can be configured to trigger a Lambda function that checks the approval status before proceeding to build and deploy to staging. This combination directly satisfies the policy of requiring two approvals and automating the build/deploy after approval.
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.
- ✗
Configure CodeBuild to run a script that checks the commit author and rejects if not approved
Why it's wrong here
CodeBuild cannot enforce pull request approvals.
- ✗
Use Amazon EventBridge to trigger a Lambda function that validates the number of approvers before merging
Why it's wrong here
EventBridge can trigger but cannot enforce the approval workflow directly.
- ✗
Use IAM policies to restrict write access to the production branch to only senior developers
Why it's wrong here
IAM cannot enforce multi-approval workflow.
- ✓
Use CodeCommit pull request approval rules and a CodePipeline with a manual approval step triggered by a Lambda function that checks approval status
Why this is correct
This enforces the two-approval requirement and automates staging deployment.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse post-commit checks (like CodeBuild or EventBridge) with pre-merge enforcement, not realizing that only pull request approval rules can block a merge before it happens.
Detailed technical explanation
How to think about this question
CodeCommit approval rules are evaluated before a pull request is merged, and they require a minimum number of approvals from specified IAM users or groups. CodePipeline's manual approval action can invoke a Lambda function via an SNS topic to check the approval rule status using the CodeCommit API (e.g., GetPullRequestApprovalStates), ensuring the pipeline only proceeds after the required approvals are met. This pattern is commonly used in regulated environments where audit trails and gated deployments are mandatory.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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
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: Use CodeCommit pull request approval rules and a CodePipeline with a manual approval step triggered by a Lambda function that checks approval status — Option D is correct because CodeCommit pull request approval rules enforce the requirement for two senior developers to approve changes before merging, and CodePipeline with a manual approval step can be configured to trigger a Lambda function that checks the approval status before proceeding to build and deploy to staging. This combination directly satisfies the policy of requiring two approvals and automating the build/deploy after approval.
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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