- A
Use AWS CloudFormation with a custom resource that triggers a build on CodeCommit push.
Why wrong: Complex and not standard for CI/CD.
- B
Configure an S3 event notification to invoke an AWS Lambda function that builds and deploys the website.
Why wrong: Lacks pipeline features like stages and rollback.
- C
Use AWS CodePipeline with a source stage tied to CodeCommit, a build stage using AWS CodeBuild, and a deploy stage that syncs the S3 bucket and invalidates CloudFront.
Fully managed CI/CD pipeline.
- D
Use AWS Lambda@Edge to generate the website on the fly and cache at CloudFront.
Why wrong: Not for deployment pipeline.
Question 312 of 1,746
SAP-C02 AWS CodePipeline Practice Question
This SAP-C02 practice question tests your understanding of continuous improvement for existing solutions. 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. A key principle to apply: aWS CodePipeline. 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 runs a static website on Amazon S3 with a custom domain using Amazon Route 53. The website content is updated frequently by multiple developers. The company wants to implement a workflow where updates are automatically tested and deployed. They have existing CI/CD tools that integrate with AWS CodeCommit. The Solutions Architect needs to design a deployment pipeline that rebuilds the website only when changes are pushed to the main branch, and then invalidates the Amazon CloudFront cache if a CloudFront distribution is used. Which solution meets these requirements with the least operational overhead?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"least"Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
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
✓
Use AWS CodePipeline with a source stage tied to CodeCommit, a build stage using AWS CodeBuild, and a deploy stage that syncs the S3 bucket and invalidates CloudFront.
Option C is correct because AWS CodePipeline with a source stage from CodeCommit, a build stage using CodeBuild, and a deploy stage that syncs to S3 and invalidates CloudFront provides a fully managed CI/CD pipeline with minimal operational overhead. Option A is wrong because CloudFormation is for infrastructure provisioning, not for building a deployment pipeline triggered by code pushes. Option B is wrong because S3 event notifications trigger Lambda functions for simple tasks, not for full CI/CD build and deploy workflows. Option D is wrong because Lambda@Edge is for processing requests at edge locations, not for building and deploying static content.
Key principle: AWS CodePipeline
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use AWS CloudFormation with a custom resource that triggers a build on CodeCommit push.
Why it's wrong here
Complex and not standard for CI/CD.
- ✗
Configure an S3 event notification to invoke an AWS Lambda function that builds and deploys the website.
Why it's wrong here
Lacks pipeline features like stages and rollback.
- ✓
Use AWS CodePipeline with a source stage tied to CodeCommit, a build stage using AWS CodeBuild, and a deploy stage that syncs the S3 bucket and invalidates CloudFront.
Why this is correct
Fully managed CI/CD pipeline.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
AWS CodePipeline
- ✗
Use AWS Lambda@Edge to generate the website on the fly and cache at CloudFront.
Why it's wrong here
Not for deployment pipeline.
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
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- AWS CodePipeline
- AWS CodeBuild
- CloudFront Invalidation
- S3 Static Website
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
AWS CodePipeline
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
Review aWS CodePipeline, then practise related SAP-C02 questions on the same topic to reinforce the concept.
- →
Continuous Improvement for Existing Solutions — study guide chapter
Learn the concepts, then practise the questions
- →
Continuous Improvement for Existing Solutions practice questions
Targeted practice on this topic area only
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Continuous Improvement for Existing Solutions — This question tests Continuous Improvement for Existing Solutions — AWS CodePipeline.
What is the correct answer to this question?
The correct answer is: Use AWS CodePipeline with a source stage tied to CodeCommit, a build stage using AWS CodeBuild, and a deploy stage that syncs the S3 bucket and invalidates CloudFront. — Option C is correct because AWS CodePipeline with a source stage from CodeCommit, a build stage using CodeBuild, and a deploy stage that syncs to S3 and invalidates CloudFront provides a fully managed CI/CD pipeline with minimal operational overhead. Option A is wrong because CloudFormation is for infrastructure provisioning, not for building a deployment pipeline triggered by code pushes. Option B is wrong because S3 event notifications trigger Lambda functions for simple tasks, not for full CI/CD build and deploy workflows. Option D is wrong because Lambda@Edge is for processing requests at edge locations, not for building and deploying static content.
What should I do if I get this SAP-C02 question wrong?
Review aWS CodePipeline, then practise related SAP-C02 questions on the same topic to reinforce the concept.
Are there clue words in this question I should notice?
Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
What is the key concept behind this question?
AWS CodePipeline
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Last reviewed: Jun 20, 2026
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