- A
Remove all variable groups and require developers to use their own Azure AD accounts for deployments, granting them Contributor rights only on non-production environments.
Why wrong: Using personal accounts for deployments is discouraged and still grants excessive permissions.
- B
Require all pipeline runs that use production service connections to be approved by a security team via Azure Pipelines approval gates.
Why wrong: Approval gates add overhead and don't solve the privilege issue.
- C
Implement Azure DevOps pipeline decorators to inject a security task that checks the service connection's role before each deployment, and fail the pipeline if the role is Contributor or higher.
Why wrong: This is reactive and does not prevent the use of high-privilege connections.
- D
Create custom Azure RBAC roles with minimal required permissions for each service principal, restrict service connections to specific pipelines using Azure DevOps security settings (e.g., 'Use' permission), and assign developers only the 'Use' permission to the service connections they need, not the variable groups containing credentials.
This follows least privilege and limits access to only necessary pipelines.
AZ-400 Develop a security and compliance plan Practice Question
This AZ-400 practice question tests your understanding of develop a security and compliance plan. 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.
Your company, Contoso Ltd., is a financial services firm that must comply with PCI DSS. You manage a Azure DevOps organization with over 200 projects. Each project uses a service principal to deploy to Azure using service connections stored in library variable groups. Recently, an auditor flagged that a developer used a service principal with Contributor rights on a production subscription to accidentally delete a storage account. The developer had been granted access to the variable group containing that service principal's credentials. You are tasked with implementing a security and compliance plan to prevent this from recurring. The solution must minimize administrative overhead and follow the principle of least privilege. Current environment: All service principals are created in Azure AD and assigned to variable groups. Developers are granted 'User' access level in Azure DevOps and are members of various teams. You have the ability to create Azure AD groups and custom roles. Which course of action should you take?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"least"Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Clue:
"minimum / minimize"Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
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
Create custom Azure RBAC roles with minimal required permissions for each service principal, restrict service connections to specific pipelines using Azure DevOps security settings (e.g., 'Use' permission), and assign developers only the 'Use' permission to the service connections they need, not the variable groups containing credentials.
Option D is correct because it enforces the principle of least privilege by creating custom Azure RBAC roles with minimal permissions, restricting service connections to specific pipelines via Azure DevOps security settings (e.g., 'Use' permission), and assigning developers only the 'Use' permission to the service connections rather than the variable groups containing credentials. This prevents developers from directly accessing or modifying the service principal credentials, eliminating the risk of accidental or malicious use of high-privilege roles like Contributor.
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.
- ✗
Remove all variable groups and require developers to use their own Azure AD accounts for deployments, granting them Contributor rights only on non-production environments.
Why it's wrong here
Using personal accounts for deployments is discouraged and still grants excessive permissions.
- ✗
Require all pipeline runs that use production service connections to be approved by a security team via Azure Pipelines approval gates.
Why it's wrong here
Approval gates add overhead and don't solve the privilege issue.
- ✗
Implement Azure DevOps pipeline decorators to inject a security task that checks the service connection's role before each deployment, and fail the pipeline if the role is Contributor or higher.
Why it's wrong here
This is reactive and does not prevent the use of high-privilege connections.
- ✓
Create custom Azure RBAC roles with minimal required permissions for each service principal, restrict service connections to specific pipelines using Azure DevOps security settings (e.g., 'Use' permission), and assign developers only the 'Use' permission to the service connections they need, not the variable groups containing credentials.
Why this is correct
This follows least privilege and limits access to only necessary pipelines.
Clue confirmation
The clue words "least", "minimum / minimize" 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 often confuse approval gates (Option B) as a sufficient security control, but they fail to address the root cause—excessive permissions on the service principal itself—and overlook the need to restrict access to the service connection credentials at the Azure DevOps permission level.
Detailed technical explanation
How to think about this question
Azure DevOps service connections store Azure AD service principal credentials in library variable groups, and granting 'Administrator' or 'Creator' permissions on a variable group gives a developer full access to the service principal's secret, allowing them to use it outside of Azure DevOps pipelines. By restricting service connections to specific pipelines using the 'Use' permission (which only allows the service connection to be consumed in a pipeline run), and by creating custom Azure RBAC roles with only the specific actions needed (e.g., Microsoft.Storage/storageAccounts/read, Microsoft.Web/sites/write), you ensure that even if a pipeline is compromised, the blast radius is limited. This approach aligns with the PCI DSS requirement to restrict access to cardholder data environments to only those with a business need.
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.
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FAQ
Questions learners often ask
What does this AZ-400 question test?
Develop a security and compliance plan — This question tests Develop a security and compliance plan — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create custom Azure RBAC roles with minimal required permissions for each service principal, restrict service connections to specific pipelines using Azure DevOps security settings (e.g., 'Use' permission), and assign developers only the 'Use' permission to the service connections they need, not the variable groups containing credentials. — Option D is correct because it enforces the principle of least privilege by creating custom Azure RBAC roles with minimal permissions, restricting service connections to specific pipelines via Azure DevOps security settings (e.g., 'Use' permission), and assigning developers only the 'Use' permission to the service connections rather than the variable groups containing credentials. This prevents developers from directly accessing or modifying the service principal credentials, eliminating the risk of accidental or malicious use of high-privilege roles like Contributor.
What should I do if I get this AZ-400 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: "least", "minimum / minimize". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This AZ-400 practice question is part of Courseiva's free Microsoft 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 AZ-400 exam.
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