Why CodePipeline Does Not Show in Console: Missing codepipeline:ListPipelines Permission
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.
Refer to the exhibit. An IAM policy is attached to a user who needs to start a CodePipeline pipeline and view its details. The user reports that they cannot see the pipeline in the AWS Management Console. What is the MOST likely reason?
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 policy does not include the codepipeline:ListPipelines action, which is needed to view pipelines in the console.
The AWS Management Console requires the `codepipeline:ListPipelines` action to populate the pipeline list view. Without this permission, the console cannot display any pipelines, even if the user has permissions for specific pipeline actions like `StartPipelineExecution` or `GetPipeline`. The attached policy grants `codepipeline:StartPipelineExecution` and `codepipeline:GetPipeline`, but omits `ListPipelines`, which is why the user sees an empty pipeline list.
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.
✗
There is an explicit deny statement elsewhere that is overriding the allow.
Why it's wrong here
No evidence of an explicit deny.
✗
The user does not have permission to start the pipeline execution.
Why it's wrong here
The policy explicitly allows StartPipelineExecution.
✗
The pipeline ARN is incorrect.
Why it's wrong here
The ARN appears correct for the pipeline name.
✓
The policy does not include the codepipeline:ListPipelines action, which is needed to view pipelines in the console.
Why this is correct
ListPipelines is required to list pipelines in the console.
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.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates focus on the explicit actions granted (StartPipelineExecution, GetPipeline) and assume they are sufficient, overlooking that the console requires the `ListPipelines` action as a prerequisite for displaying pipelines in the UI.
Detailed technical explanation
How to think about this question
The AWS Management Console for CodePipeline makes an initial API call to `ListPipelines` to fetch all pipelines in the region. If this call fails due to missing permissions, the console displays an empty list or an error, regardless of other granted actions. This is a common pattern across many AWS services where list/describe actions are prerequisites for console visibility, even if the user has permissions for specific resource-level operations.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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 does not include the codepipeline:ListPipelines action, which is needed to view pipelines in the console. — The AWS Management Console requires the `codepipeline:ListPipelines` action to populate the pipeline list view. Without this permission, the console cannot display any pipelines, even if the user has permissions for specific pipeline actions like `StartPipelineExecution` or `GetPipeline`. The attached policy grants `codepipeline:StartPipelineExecution` and `codepipeline:GetPipeline`, but omits `ListPipelines`, which is why the user sees an empty pipeline list.
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.
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.
About these practice questions
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These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. An IAM policy is attached to a user who needs to manually start a CodePipeline execution. The pipeline uses an S3 bucket named 'my-artifact-bucket' for artifacts. The user reports that they cannot start the pipeline. Which action is missing from the policy?
medium
A.iam:PassRole
✓ B.codepipeline:ListPipelines
C.codepipeline:GetPipelineExecution
D.s3:PutObject
Why B: The user needs to manually start a CodePipeline execution, which requires the `codepipeline:StartPipelineExecution` action. However, the question asks which action is missing from the policy, and the correct answer is `codepipeline:ListPipelines` because the user cannot even see the pipeline to start it. Without `codepipeline:ListPipelines`, the AWS Management Console or CLI will not return the pipeline in the list, preventing the user from selecting it to start execution. The other actions are either not directly required for starting a pipeline or are unrelated to the permission needed to list pipelines.
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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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