The correct configuration is to create a CloudWatch Events rule that matches CodeCommit push events and targets the CodePipeline pipeline. This works because CloudWatch Events can listen for repository state changes, such as a push to any branch, and automatically invoke the pipeline as a target, eliminating the need for polling or manual triggers. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this concept tests your understanding of event-driven automation versus legacy polling methods—a common trap is assuming CodePipeline has a built-in branch trigger or that CodeCommit natively sends SNS notifications for pushes, both of which are incorrect. Remember that CloudWatch Events is the central hub for reacting to AWS resource changes, and for CodePipeline, it’s the only native way to trigger on any branch push without custom polling. A useful memory tip: “Events for every branch, no manual crank.”
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 company is implementing a CI/CD pipeline using AWS CodePipeline. The source code is stored in an AWS CodeCommit repository. The pipeline must automatically start whenever a change is pushed to any branch. Which configuration is required?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a CloudWatch Events rule that matches CodeCommit push events and targets the CodePipeline pipeline.
Option D is correct because CodePipeline can use Amazon CloudWatch Events to detect changes in CodeCommit repositories and trigger the pipeline. Option A is wrong because CodePipeline does not have a built-in trigger for branch creation. Option B is wrong because polling is not recommended and may not detect changes immediately. Option C is wrong because CodeCommit does not send SNS notifications for pushes.
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.
✗
Add a branch creation trigger in CodeCommit that starts the pipeline.
Why it's wrong here
CodeCommit does not have branch creation triggers; it uses events.
✓
Create a CloudWatch Events rule that matches CodeCommit push events and targets the CodePipeline pipeline.
Why this is correct
CloudWatch Events can detect pushes to any branch and trigger the pipeline.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create an SNS topic and subscribe the pipeline to it, then configure CodeCommit to publish to the topic on push.
Why it's wrong here
CodeCommit integrates with CloudWatch Events, not directly with SNS for pipeline triggers.
✗
Configure the pipeline to poll the CodeCommit repository every few minutes.
Why it's wrong here
Polling is inefficient and not a best practice; CloudWatch Events is preferred.
Common exam traps
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.
Detailed technical explanation
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.
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 DOP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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 a CloudWatch Events rule that matches CodeCommit push events and targets the CodePipeline pipeline. — Option D is correct because CodePipeline can use Amazon CloudWatch Events to detect changes in CodeCommit repositories and trigger the pipeline. Option A is wrong because CodePipeline does not have a built-in trigger for branch creation. Option B is wrong because polling is not recommended and may not detect changes immediately. Option C is wrong because CodeCommit does not send SNS notifications for pushes.
What should I do if I get this DOP-C02 question wrong?
Identify which DOP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This DOP-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DOP-C02 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.