- A
Create an AWS CodePipeline with CodeCommit as source and CodeBuild as build stage, configured to start on source changes.
CodePipeline can automatically start when a change is pushed to the repository.
- B
Set up AWS CodeDeploy to run builds on code push.
Why wrong: CodeDeploy is for deployment, not building.
- C
Configure AWS CodeCommit to invoke AWS CodeBuild directly.
Why wrong: CodeCommit does not have native integration to invoke builds directly.
- D
Use Amazon CloudWatch Events to detect a push to CodeCommit and trigger AWS CodeBuild.
Why wrong: While possible, it requires custom event patterns and is not the recommended approach.
Question 1,171 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 development team is using AWS CodeCommit as a source control repository. They want to automate code builds and run unit tests every time a developer pushes code to the 'develop' branch. Which AWS service should they use to trigger the build automatically?
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
✓
Create an AWS CodePipeline with CodeCommit as source and CodeBuild as build stage, configured to start on source changes.
AWS CodePipeline can be configured with CodeCommit as the source stage and CodeBuild as the build stage, and by enabling the 'Amazon CloudWatch Events' trigger on the pipeline, it automatically starts whenever a change is pushed to the specified branch (e.g., 'develop'). This is the native, fully managed way to achieve continuous integration without custom scripting or additional services.
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.
- ✓
Create an AWS CodePipeline with CodeCommit as source and CodeBuild as build stage, configured to start on source changes.
Why this is correct
CodePipeline can automatically start when a change is pushed to the repository.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Set up AWS CodeDeploy to run builds on code push.
Why it's wrong here
CodeDeploy is for deployment, not building.
- ✗
Configure AWS CodeCommit to invoke AWS CodeBuild directly.
Why it's wrong here
CodeCommit does not have native integration to invoke builds directly.
- ✗
Use Amazon CloudWatch Events to detect a push to CodeCommit and trigger AWS CodeBuild.
Why it's wrong here
While possible, it requires custom event patterns and is not the recommended approach.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think CloudWatch Events alone is sufficient (Option D), but they overlook that CodePipeline provides a higher-level orchestration layer that simplifies CI/CD management, and the exam expects the best-practice service for automating builds on code pushes.
Detailed technical explanation
How to think about this question
Under the hood, CodePipeline uses Amazon CloudWatch Events to detect repository changes in CodeCommit (via the 'codecommit:GitPush' event), which then triggers the pipeline execution. The pipeline automatically passes the source artifact (the commit contents) to the CodeBuild stage, where the buildspec.yml defines the build commands and unit tests. This integration ensures that the build environment receives the exact code version from the push, and the pipeline can be extended with approval gates or additional stages without re-architecting.
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.
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: Create an AWS CodePipeline with CodeCommit as source and CodeBuild as build stage, configured to start on source changes. — AWS CodePipeline can be configured with CodeCommit as the source stage and CodeBuild as the build stage, and by enabling the 'Amazon CloudWatch Events' trigger on the pipeline, it automatically starts whenever a change is pushed to the specified branch (e.g., 'develop'). This is the native, fully managed way to achieve continuous integration without custom scripting or additional services.
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.
About these practice questions
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Last reviewed: Jul 4, 2026
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