← DOP-C02·Amazon Web Services

Question 804 of 1,740

SDLC Automation →easyMultiple SelectObjective-mapped

Quick Answer

The answer is to create an IAM role for CodeBuild with `lambda:UpdateFunctionCode` permissions, ensure the CodePipeline service role can pass that CodeBuild role, and verify the deploy stage’s AWS CLI command targets the correct Lambda function. This works because CodeBuild executes the build and deploy actions, so its IAM role must grant explicit permission to update the Lambda function code, while the pipeline’s role needs `iam:PassRole` to delegate that authority to CodeBuild. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this scenario tests your understanding of least-privilege IAM delegation in CI/CD—a common trap is assuming the pipeline role itself needs the Lambda update permission, but the actual action is performed by CodeBuild. Another frequent mistake is adding CloudWatch logs permissions, which are irrelevant to the update operation. Remember the mnemonic: “Build updates, Pipeline passes”—the build role holds the Lambda action, and the pipeline role only passes that role.

DOP-C02 SDLC Automation Practice Question

This DOP-C02 practice question tests your understanding of sdlc automation. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 DevOps engineer is setting up a CI/CD pipeline for a Python application using AWS CodePipeline. The pipeline includes a build stage with CodeBuild and a deploy stage that runs an AWS CLI command to update a Lambda function. Which THREE steps are necessary to ensure the pipeline can update the Lambda function? (Choose 3)

Question 1easymulti select

Study the full Python automation breakdown →

A
Store the AWS CLI command in the buildspec file or as a separate script in the source repository.
The deploy stage must have the command to execute.
B
Grant the CodePipeline service role permission to pass the CodeBuild IAM role to CodeBuild.
CodePipeline must be able to pass the role to CodeBuild for it to assume.
C
Configure a CloudWatch Events rule to trigger the pipeline when the Lambda function is updated.
Why wrong: This is for triggering pipelines, not for the deploy stage itself.
D
Create an IAM role for CodeBuild that includes permissions to invoke 'lambda:UpdateFunctionCode'.
CodeBuild needs permissions to run the AWS CLI command to update Lambda.
E
Use AWS CodeDeploy instead of the AWS CLI to update the Lambda function.
Why wrong: The question uses CLI; CodeDeploy is not required.

Full breakdown with real-world context →

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

✓

Store the AWS CLI command in the buildspec file or as a separate script in the source repository.

Options A, B, and D are correct. The CodeBuild project needs a role that allows Lambda updates, and the pipeline role needs to pass the CodeBuild role. Option C is incorrect because CloudWatch is not required. Option E is incorrect because the CLI command is already in the deploy stage.

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.

✓
Store the AWS CLI command in the buildspec file or as a separate script in the source repository.
Why this is correct
The deploy stage must have the command to execute.
Related concept
Read the scenario before looking for a memorised answer.
✓
Grant the CodePipeline service role permission to pass the CodeBuild IAM role to CodeBuild.
Why this is correct
CodePipeline must be able to pass the role to CodeBuild for it to assume.
Related concept
Read the scenario before looking for a memorised answer.
✗
Configure a CloudWatch Events rule to trigger the pipeline when the Lambda function is updated.
Why it's wrong here
This is for triggering pipelines, not for the deploy stage itself.
✓
Create an IAM role for CodeBuild that includes permissions to invoke 'lambda:UpdateFunctionCode'.
Why this is correct
CodeBuild needs permissions to run the AWS CLI command to update Lambda.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use AWS CodeDeploy instead of the AWS CLI to update the Lambda function.
Why it's wrong here
The question uses CLI; CodeDeploy is not required.

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 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 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.

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FAQ

Questions learners often ask

What does this DOP-C02 question test?

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: Store the AWS CLI command in the buildspec file or as a separate script in the source repository. — Options A, B, and D are correct. The CodeBuild project needs a role that allows Lambda updates, and the pipeline role needs to pass the CodeBuild role. Option C is incorrect because CloudWatch is not required. Option E is incorrect because the CLI command is already in the deploy stage.

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

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.