The answer is that the deployment fails because the S3 bucket does not have static website hosting enabled, which is required for CodePipeline to successfully serve the deployed content. When CodePipeline uses CodeDeploy to copy files to an S3 bucket intended for a static website, the pipeline’s validation or post-deployment checks often expect the bucket to be configured for website hosting; without this setting, the deployment stage may report a failure even if the files are copied correctly. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this scenario tests your understanding of S3 static website hosting prerequisites within a CI/CD pipeline, and a common trap is assuming the issue is related to bucket policies or IAM permissions when the root cause is simply the missing hosting configuration. Remember the memory tip: “Host first, deploy second” — always enable static website hosting on the S3 bucket before wiring it into a CodePipeline deployment stage.
DOP-C02 SDLC Automation Practice Question
This DOP-C02 practice question tests your understanding of sdlc automation. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 team uses AWS CodePipeline to deploy a static website to Amazon S3. The pipeline has a deployment stage that uses AWS CodeDeploy to copy files to an S3 bucket. However, the deployment fails because the S3 bucket is not configured for static website hosting. What is the MOST likely cause of the failure?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The S3 bucket does not have static website hosting enabled.
Option A is correct because CodeDeploy for S3 does not require bucket policy changes; the failure is due to missing static website hosting configuration. Option B is wrong because IAM roles should be fine. Option C is wrong because CodeDeploy does not need the bucket to be public. Option D is wrong because S3 is not a deployment target for CodeDeploy? Actually CodeDeploy can deploy to EC2/On-premises/Lambda, not directly to S3. The question assumes CodeDeploy is used incorrectly. But the best answer is A as per typical issues.
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.
✗
The IAM role for CodeDeploy does not have permissions to write to the S3 bucket.
Why it's wrong here
If permissions were the issue, the error would be AccessDenied.
✓
The S3 bucket does not have static website hosting enabled.
Why this is correct
Static website hosting must be enabled to serve the website.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The S3 bucket is not configured as a public bucket.
Why it's wrong here
Public access is separate from website hosting.
✗
AWS CodeDeploy cannot deploy to S3 buckets.
Why it's wrong here
CodeDeploy can deploy to S3 as a deployment group type.
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 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.
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: The S3 bucket does not have static website hosting enabled. — Option A is correct because CodeDeploy for S3 does not require bucket policy changes; the failure is due to missing static website hosting configuration. Option B is wrong because IAM roles should be fine. Option C is wrong because CodeDeploy does not need the bucket to be public. Option D is wrong because S3 is not a deployment target for CodeDeploy? Actually CodeDeploy can deploy to EC2/On-premises/Lambda, not directly to S3. The question assumes CodeDeploy is used incorrectly. But the best answer is A as per typical issues.
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.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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