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 using AWS CodeCommit for source control and wants to automatically trigger a build in AWS CodeBuild whenever a pull request is created against the main branch. Which AWS service should be used to connect CodeCommit events to CodeBuild?
AWS CodePipeline
Why wrong: CodePipeline is for orchestration, not direct event triggering from CodeCommit.
Amazon EventBridge
EventBridge can capture CodeCommit events and trigger CodeBuild directly.
AWS Lambda
Why wrong: Lambda can be used but is not the simplest direct integration; EventBridge is designed for this.
Amazon Simple Notification Service (SNS)
Why wrong: SNS can send notifications but cannot directly start a CodeBuild build.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Amazon EventBridge
Option C is correct because Amazon EventBridge can capture CodeCommit repository events (like pull request creation) and route them to targets such as CodeBuild projects. Option A is wrong because AWS CodePipeline is a CI/CD orchestration service, not a direct event trigger. Option B is wrong because Amazon SNS is a notification service, not a build trigger. Option D is wrong because AWS Lambda can be used as an intermediary but is not the direct connection; EventBridge is the correct native integration.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
AWS CodePipeline
Why it's wrong here
CodePipeline is for orchestration, not direct event triggering from CodeCommit.
Amazon EventBridge
Why this is correct
EventBridge can capture CodeCommit events and trigger CodeBuild directly.
Related concept
Static NAT maps one inside address to one outside address.
AWS Lambda
Why it's wrong here
Lambda can be used but is not the simplest direct integration; EventBridge is designed for this.
Amazon Simple Notification Service (SNS)
Why it's wrong here
SNS can send notifications but cannot directly start a CodeBuild build.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
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. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. 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
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DOP-C02 NAT questions on configuration and troubleshooting.
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FAQ
SDLC Automation — This question tests SDLC Automation — Static NAT maps one inside address to one outside address..
The correct answer is: Amazon EventBridge — Option C is correct because Amazon EventBridge can capture CodeCommit repository events (like pull request creation) and route them to targets such as CodeBuild projects. Option A is wrong because AWS CodePipeline is a CI/CD orchestration service, not a direct event trigger. Option B is wrong because Amazon SNS is a notification service, not a build trigger. Option D is wrong because AWS Lambda can be used as an intermediary but is not the direct connection; EventBridge is the correct native integration.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DOP-C02 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
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.
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