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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The policy allows starting a pipeline execution
Option C is correct because the IAM policy attached to a CodePipeline service role must include permissions to allow the pipeline to start executions. The `codepipeline:StartPipelineExecution` action is required for the pipeline to be triggered by events or manual starts. Without this permission, the pipeline cannot initiate its execution flow.
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 policy allows updating the pipeline definition
Why it's wrong here
UpdatePipeline action is not included
✗
The policy allows starting any CodeBuild project
Why it's wrong here
Only the specific project my-project is allowed
✓
The policy allows starting a pipeline execution
Why this is correct
StartPipelineExecution is allowed for all pipelines (Resource: *)
Related concept
Read the scenario before looking for a memorised answer.
✓
The policy allows reporting job success or failure to CodePipeline
Why this is correct
PutJobSuccessResult and PutJobFailureResult are allowed
Related concept
Read the scenario before looking for a memorised answer.
✗
The policy allows reading and writing objects to any S3 bucket
Why it's wrong here
Only my-artifact-bucket is allowed
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the permissions needed for the service role (runtime actions like starting executions and reporting status) with permissions for managing the pipeline (like updating the pipeline definition), leading them to select administrative actions instead of execution-specific ones.
Detailed technical explanation
How to think about this question
Under the hood, the CodePipeline service role assumes an IAM role to interact with other AWS services on behalf of the pipeline. The `codepipeline:StartPipelineExecution` action is used when the pipeline is triggered by a source change or manual start, and the service role must also include `codepipeline:PutJobSuccessResult` and `codepipeline:PutJobFailureResult` for reporting job status back to the pipeline. In a real-world scenario, if the service role lacks these permissions, the pipeline will fail silently or hang, as the action providers cannot communicate their completion status.
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 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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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 policy allows starting a pipeline execution — Option C is correct because the IAM policy attached to a CodePipeline service role must include permissions to allow the pipeline to start executions. The `codepipeline:StartPipelineExecution` action is required for the pipeline to be triggered by events or manual starts. Without this permission, the pipeline cannot initiate its execution flow.
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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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.
Question Discussion
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