- A
Create a deploy stage that uses AWS CodeDeploy to deploy to Amazon ECS
Why wrong: CodeDeploy is not the primary deploy method for ECS; ECS deploy provider is used.
- B
Create a source stage that uses AWS CodeCommit as the source provider
CodeCommit is the source for the application code and Dockerfile.
- C
Create a deploy stage that uses Amazon ECS as the deploy provider with an imagedefinitions.json file
ECS deploy provider updates the service with the new image.
- D
Create an invoke stage that uses AWS Lambda to update the ECS service
Why wrong: Lambda is not needed; ECS deploy provider handles this.
- E
Create a build stage that uses AWS CodeBuild to build a Docker image and push it to Amazon ECR
CodeBuild builds the image and pushes to ECR.
Question 1,609 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.
Which THREE steps are required to set up a continuous deployment pipeline using AWS CodePipeline that deploys a Docker-based application to Amazon ECS? (Choose three.)
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 a source stage that uses AWS CodeCommit as the source provider
Option B is correct because AWS CodePipeline requires a source stage to detect changes in the source code repository. AWS CodeCommit is a fully managed source control service that integrates natively with CodePipeline, allowing automatic pipeline execution when new commits are pushed to the specified branch. This is a fundamental step in establishing a continuous delivery workflow.
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 a deploy stage that uses AWS CodeDeploy to deploy to Amazon ECS
Why it's wrong here
CodeDeploy is not the primary deploy method for ECS; ECS deploy provider is used.
- ✓
Create a source stage that uses AWS CodeCommit as the source provider
Why this is correct
CodeCommit is the source for the application code and Dockerfile.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Create a deploy stage that uses Amazon ECS as the deploy provider with an imagedefinitions.json file
Why this is correct
ECS deploy provider updates the service with the new image.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create an invoke stage that uses AWS Lambda to update the ECS service
Why it's wrong here
Lambda is not needed; ECS deploy provider handles this.
- ✓
Create a build stage that uses AWS CodeBuild to build a Docker image and push it to Amazon ECR
Why this is correct
CodeBuild builds the image and pushes to ECR.
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 the deploy provider options and incorrectly select AWS CodeDeploy for ECS deployments, not realizing that CodePipeline has a dedicated ECS deploy provider that uses imagedefinitions.json instead.
Detailed technical explanation
How to think about this question
The ECS deploy provider in CodePipeline uses the imagedefinitions.json file to map container names in the task definition to the new image URIs from Amazon ECR. This file is typically generated during the build stage by CodeBuild, which pushes the Docker image to ECR and outputs the image URI. Under the hood, CodePipeline calls the ECS UpdateService API to trigger a new deployment with the updated task definition, ensuring zero-downtime rolling updates.
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 a source stage that uses AWS CodeCommit as the source provider — Option B is correct because AWS CodePipeline requires a source stage to detect changes in the source code repository. AWS CodeCommit is a fully managed source control service that integrates natively with CodePipeline, allowing automatic pipeline execution when new commits are pushed to the specified branch. This is a fundamental step in establishing a continuous delivery workflow.
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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