This AZ-204 practice question tests your understanding of implement azure security. 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.
You have an Azure App Service that uses a system-assigned managed identity. You need to grant it permission to read a secret from Azure Key Vault. Which RBAC role should you assign at the Key Vault scope?
Why wrong: This role allows reading Key Vault properties but not reading the secret values. It is insufficient.
B
Key Vault Secrets User
This role grants permissions to list and read secrets, which is the minimum required for the App Service to retrieve the secret.
C
Key Vault Contributor
Why wrong: This role allows full management of Key Vault objects including creating and deleting secrets, which violates the principle of least privilege.
D
Key Vault Certificate User
Why wrong: This role only provides access to certificates, not secrets. It does not meet the requirement.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Key Vault Secrets User
The system-assigned managed identity needs to read a secret from Azure Key Vault. The 'Key Vault Secrets User' RBAC role grants exactly that permission — the ability to read secret contents. This is the least-privilege role that allows the 'Microsoft.KeyVault/vaults/secrets/read' action, which is required for reading secret values.
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.
✗
Key Vault Reader
Why it's wrong here
This role allows reading Key Vault properties but not reading the secret values. It is insufficient.
✓
Key Vault Secrets User
Why this is correct
This role grants permissions to list and read secrets, which is the minimum required for the App Service to retrieve the secret.
Related concept
Read the scenario before looking for a memorised answer.
✗
Key Vault Contributor
Why it's wrong here
This role allows full management of Key Vault objects including creating and deleting secrets, which violates the principle of least privilege.
✗
Key Vault Certificate User
Why it's wrong here
This role only provides access to certificates, not secrets. It does not meet the requirement.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'Key Vault Reader' (a management-plane role) with the data-plane role needed to actually read secret values, or they over-provision by choosing 'Key Vault Contributor' thinking it includes read access.
Detailed technical explanation
How to think about this question
Under the hood, managed identities use Azure AD tokens to authenticate to Key Vault. The RBAC role assignment maps to specific data-plane actions in the Azure RBAC model (e.g., 'Microsoft.KeyVault/vaults/secrets/read'). For system-assigned managed identities, the identity is tied to the App Service resource lifecycle — when the App Service is deleted, the identity is automatically cleaned up. A real-world scenario is a web app that retrieves a database connection string stored as a secret; using 'Key Vault Secrets User' ensures the app can only read secrets, not modify or delete them.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-204 question in full detail.
Implement Azure security — This question tests Implement Azure security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Key Vault Secrets User — The system-assigned managed identity needs to read a secret from Azure Key Vault. The 'Key Vault Secrets User' RBAC role grants exactly that permission — the ability to read secret contents. This is the least-privilege role that allows the 'Microsoft.KeyVault/vaults/secrets/read' action, which is required for reading secret values.
What should I do if I get this AZ-204 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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