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SDLC Automation →mediumMultiple ChoiceObjective-mapped

DOP-C02 Git credentials for CodeCommit 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. A key principle to apply: git credentials for CodeCommit. 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.

Exhibit

{
  "eventVersion": "1.05",
  "userIdentity": {
    "type": "IAMUser",
    "arn": "arn:aws:iam::123456789012:user/jenkins"
  },
  "eventTime": "2023-01-15T10:00:00Z",
  "eventSource": "codecommit.amazonaws.com",
  "eventName": "GitPush",
  "awsRegion": "us-east-1",
  "sourceIPAddress": "203.0.113.5",
  "userAgent": "git/2.30.0",
  "requestParameters": {
    "repositoryName": "my-repo",
    "branchName": "main"
  },
  "responseElements": null,
  "errorCode": "AccessDeniedException",
  "errorMessage": "User: arn:aws:iam::123456789012:user/jenkins is not authorized to perform: codecommit:GitPush on resource: arn:aws:codecommit:us-east-1:123456789012:my-repo"
}

Refer to the exhibit. A CloudTrail log shows a failed GitPush event to a CodeCommit repository by the IAM user 'jenkins'. The DevOps engineer has attached the following IAM policy to the user:

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": "codecommit:*",
      "Resource": "*"
    }
  ]
}

What is the MOST likely reason for 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.

Exhibit

{
  "eventVersion": "1.05",
  "userIdentity": {
    "type": "IAMUser",
    "arn": "arn:aws:iam::123456789012:user/jenkins"
  },
  "eventTime": "2023-01-15T10:00:00Z",
  "eventSource": "codecommit.amazonaws.com",
  "eventName": "GitPush",
  "awsRegion": "us-east-1",
  "sourceIPAddress": "203.0.113.5",
  "userAgent": "git/2.30.0",
  "requestParameters": {
    "repositoryName": "my-repo",
    "branchName": "main"
  },
  "responseElements": null,
  "errorCode": "AccessDeniedException",
  "errorMessage": "User: arn:aws:iam::123456789012:user/jenkins is not authorized to perform: codecommit:GitPush on resource: arn:aws:codecommit:us-east-1:123456789012:my-repo"
}

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

✓

The user has not generated a Git credential for CodeCommit in the IAM console.

The IAM policy allows all codecommit actions, but for Git operations via HTTPS, the user must have Git credentials (username/password) generated in the IAM console. Without these credentials, the Git client cannot authenticate, resulting in a failed GitPush event even though the IAM policy is permissive. Option A correctly identifies this as the most likely cause.

Key principle: Git credentials for CodeCommit

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 user has not generated a Git credential for CodeCommit in the IAM console.

    Why this is correct

    CodeCommit requires Git credentials or SSH key for Git operations, even if IAM policy allows.

    Clue confirmation

    The clue word "most likely" in the question point toward this answer.

    Related concept

    Git credentials for CodeCommit

  • ✗

    The user is trying to push via HTTPS but the repository only allows SSH.

    Why it's wrong here

    CodeCommit supports both HTTPS and SSH.

  • ✗

    The user's IAM policy includes a condition that restricts access based on source IP, and the push originates from a different IP.

    Why it's wrong here

    The policy has no condition.

  • ✗

    The policy is attached but the user has a permissions boundary that denies codecommit:GitPush.

    Why it's wrong here

    No evidence of permissions boundary.

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

  • Git credentials for CodeCommit
  • IAM policy vs authentication

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

Git credentials for CodeCommit

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.

Review git credentials for CodeCommit, then practise related DOP-C02 questions on the same topic to reinforce the concept.

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FAQ

Questions learners often ask

What does this DOP-C02 question test?

SDLC Automation — This question tests SDLC Automation — Git credentials for CodeCommit.

What is the correct answer to this question?

The correct answer is: The user has not generated a Git credential for CodeCommit in the IAM console. — The IAM policy allows all codecommit actions, but for Git operations via HTTPS, the user must have Git credentials (username/password) generated in the IAM console. Without these credentials, the Git client cannot authenticate, resulting in a failed GitPush event even though the IAM policy is permissive. Option A correctly identifies this as the most likely cause.

What should I do if I get this DOP-C02 question wrong?

Review git credentials for CodeCommit, then practise related DOP-C02 questions on the same topic to reinforce the concept.

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?

Git credentials for CodeCommit

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Last reviewed: Jun 20, 2026

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