- A
AWS CodePipeline
CodePipeline orchestrates the pipeline with stages for each environment and approval gates.
- B
AWS CodeBuild
Why wrong: CodeBuild is for building and testing, not deployment.
- C
AWS CloudFormation
Why wrong: CloudFormation manages infrastructure, not application deployment.
- D
AWS CodeDeploy
CodeDeploy deploys applications to ECS with various deployment strategies.
- E
AWS Elastic Beanstalk
Why wrong: Elastic Beanstalk is a different service for deploying web apps, not directly compatible with ECS microservices in this context.
Question 1,352 of 1,750
Multi-Environment CI/CD Pipeline with Manual Approval Gates
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.
A company is implementing a CI/CD pipeline for a microservices architecture on Amazon ECS. The pipeline must deploy to multiple environments (dev, test, prod) in sequence with manual approval gates between environments. Which two AWS services should be used together to meet these requirements? (Choose TWO.)
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
✓
AWS CodePipeline
AWS CodePipeline (A) is correct because it provides the orchestration framework to model the CI/CD pipeline with sequential stages for dev, test, and prod environments, including built-in support for manual approval gates between stages. AWS CodeDeploy (D) is correct because it integrates directly with CodePipeline to handle the actual deployment of containerized applications to Amazon ECS, supporting blue/green deployments and traffic shifting for microservices.
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.
- ✓
AWS CodePipeline
Why this is correct
CodePipeline orchestrates the pipeline with stages for each environment and approval gates.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS CodeBuild
Why it's wrong here
CodeBuild is for building and testing, not deployment.
- ✗
AWS CloudFormation
Why it's wrong here
CloudFormation manages infrastructure, not application deployment.
- ✓
AWS CodeDeploy
Why this is correct
CodeDeploy deploys applications to ECS with various deployment strategies.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Elastic Beanstalk
Why it's wrong here
Elastic Beanstalk is a different service for deploying web apps, not directly compatible with ECS microservices in this context.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS CodeDeploy with AWS CodeBuild or AWS CloudFormation, mistakenly thinking that a build or infrastructure tool can also handle the deployment sequencing and manual approval gates, when in fact CodePipeline is the only service that orchestrates the pipeline flow and CodeDeploy is the service that performs the actual ECS deployment.
Detailed technical explanation
How to think about this question
CodePipeline uses a state machine model where each stage can have multiple actions (e.g., build, test, deploy) and transitions are controlled by stage-level approval actions that pause the pipeline until a manual approval is granted via the AWS Console or API. CodeDeploy for Amazon ECS uses the ECS blue/green deployment strategy, which creates a new task set with the updated container image, shifts traffic gradually using a load balancer target group, and allows rollback if the deployment fails—all managed through a CodeDeploy application and deployment group that CodePipeline invokes.
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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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: AWS CodePipeline — AWS CodePipeline (A) is correct because it provides the orchestration framework to model the CI/CD pipeline with sequential stages for dev, test, and prod environments, including built-in support for manual approval gates between stages. AWS CodeDeploy (D) is correct because it integrates directly with CodePipeline to handle the actual deployment of containerized applications to Amazon ECS, supporting blue/green deployments and traffic shifting for microservices.
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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