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Configuration Management and IaC →hardMultiple ChoiceObjective-mapped

DOP-C02 Configuration Management and IaC Practice Question

This DOP-C02 practice question tests your understanding of configuration management and iac. 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 company uses AWS CodePipeline to automate deployments. The pipeline has a source stage (CodeCommit), a build stage (CodeBuild), and a deploy stage (CodeDeploy). The DevOps engineer notices that the pipeline fails intermittently during the deploy stage with the error: 'The deployment failed because the deployment group does not exist'. What is the most likely cause?

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.

A
The deployment group was deleted or renamed after the pipeline was configured
If the deployment group is missing, the deploy stage fails.
B
The Auto Scaling group associated with the deployment group has insufficient capacity
Why wrong: This would cause a capacity error, not a missing group.
C
The CodePipeline service role does not have permission to call CodeDeploy
Why wrong: This would cause an access denied error.
D
The CodeDeploy application name in the pipeline is misspelled
Why wrong: Misspelling would cause an application not found error.

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

✓

The deployment group was deleted or renamed after the pipeline was configured

The intermittent 'deployment group does not exist' error indicates that the deployment group referenced in the CodePipeline deploy stage configuration is missing at the time of execution. This most commonly occurs when the deployment group has been deleted or renamed after the pipeline was initially configured, causing the pipeline to reference a non-existent resource. Since the error is intermittent, it suggests the deployment group may be deleted and recreated or renamed during certain operations, rather than a permanent misconfiguration.

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 deployment group was deleted or renamed after the pipeline was configured
Why this is correct
If the deployment group is missing, the deploy stage fails.
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.
✗
The Auto Scaling group associated with the deployment group has insufficient capacity
Why it's wrong here
This would cause a capacity error, not a missing group.
✗
The CodePipeline service role does not have permission to call CodeDeploy
Why it's wrong here
This would cause an access denied error.
✗
The CodeDeploy application name in the pipeline is misspelled
Why it's wrong here
Misspelling would cause an application not found error.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often assume permission or naming errors cause consistent failures, but the intermittent nature of the error points to a resource lifecycle issue—specifically, the deployment group being deleted or renamed after pipeline configuration.

Detailed technical explanation

How to think about this question

CodePipeline stores the deployment group name as a static parameter in the deploy stage configuration. When CodeDeploy attempts to deploy, it calls the GetDeploymentGroup API with that name; if the deployment group has been deleted (e.g., via AWS CLI, CloudFormation stack update, or manual deletion), the API returns a 'DeploymentGroupDoesNotExistException'. This error can be intermittent if the deployment group is recreated with the same name after deletion, but the pipeline runs during the window when it is missing.

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.

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FAQ

Questions learners often ask

What does this DOP-C02 question test?

Configuration Management and IaC — This question tests Configuration Management and IaC — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The deployment group was deleted or renamed after the pipeline was configured — The intermittent 'deployment group does not exist' error indicates that the deployment group referenced in the CodePipeline deploy stage configuration is missing at the time of execution. This most commonly occurs when the deployment group has been deleted or renamed after the pipeline was initially configured, causing the pipeline to reference a non-existent resource. Since the error is intermittent, it suggests the deployment group may be deleted and recreated or renamed during certain operations, rather than a permanent misconfiguration.

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.

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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.