The answer is codedeploy:RegisterApplicationRevision. This permission is required because when a CodeDeploy deployment uses an Amazon S3 bucket as the revision location, the service must register the revision metadata before the deployment can proceed; without this action, the pipeline cannot link the uploaded artifact to the deployment group, resulting in an access denied error. On the AWS Certified Developer Associate DVA-C02 exam, this scenario tests your understanding of the specific IAM actions needed for each stage of a CI/CD pipeline, and a common trap is confusing S3 object permissions with the CodeDeploy registration step. Remember that uploading to S3 only needs s3:PutObject, but triggering the deployment itself demands codedeploy:RegisterApplicationRevision. A helpful memory tip: think “register the revision before you deploy the revision.”
DVA-C02 Deployment Practice Question
This DVA-C02 practice question tests your understanding of deployment. 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 developer is setting up an IAM role for a CI/CD pipeline. The above IAM policy is attached to the role. The pipeline needs to deploy a revision to an Amazon S3 bucket and then trigger a CodeDeploy deployment. The deployment fails with an access denied error. What is the missing permission?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
codedeploy:RegisterApplicationRevision
Option C is correct because to trigger a CodeDeploy deployment, the 'codedeploy:RegisterApplicationRevision' permission is required when using S3 as the revision location. Option A is wrong because 's3:ListBucket' is not needed for uploading. Option B is wrong because 'codedeploy:UpdateDeploymentGroup' is for updating configuration, not deployment. Option D is wrong because 's3:GetObjectVersion' is for versioning, not required.
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.
✗
codedeploy:UpdateDeploymentGroup
Why it's wrong here
Not needed for creating a deployment.
✓
codedeploy:RegisterApplicationRevision
Why this is correct
Required to register the revision in S3 with CodeDeploy.
Related concept
Read the scenario before looking for a memorised answer.
✗
s3:ListBucket
Why it's wrong here
Not required for putting objects.
✗
s3:GetObjectVersion
Why it's wrong here
Not needed for this operation.
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 DVA-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.
Deployment — This question tests Deployment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: codedeploy:RegisterApplicationRevision — Option C is correct because to trigger a CodeDeploy deployment, the 'codedeploy:RegisterApplicationRevision' permission is required when using S3 as the revision location. Option A is wrong because 's3:ListBucket' is not needed for uploading. Option B is wrong because 'codedeploy:UpdateDeploymentGroup' is for updating configuration, not deployment. Option D is wrong because 's3:GetObjectVersion' is for versioning, not required.
What should I do if I get this DVA-C02 question wrong?
Identify which DVA-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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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