The answer is the Key Vault Secrets User RBAC role. This role is correct because it grants the minimum required permission—specifically the Microsoft.KeyVault/vaults/secrets/getSecret/action—allowing a managed identity to read a secret from Azure Key Vault without any write or management capabilities, perfectly adhering to the principle of least privilege for an app that only needs to retrieve a secret for third-party service authentication. On the AZ-204 exam, this scenario tests your understanding of how managed identities interact with Azure RBAC versus Key Vault access policies; a common trap is confusing the broader Key Vault Reader role, which grants read access to vault metadata but not secrets, or mistakenly using the Key Vault Contributor role which provides full management. Remember the memory tip: “Secrets User” means you can use the secret but not change it—think “read-only for secrets, not the vault itself.”
AZ-204 Implement Azure security Practice Question
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 deploy an Azure App Service web app that uses a system-assigned managed identity. The app needs to read a secret stored in Azure Key Vault to connect to a third-party service. You want to grant the minimum required permissions to the managed identity. Which Azure RBAC role should you assign to the managed identity at the Key Vault scope?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
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 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
Option C is correct because the 'Key Vault Secrets User' role grants the minimum required permission—'Microsoft.KeyVault/vaults/secrets/getSecret/action'—for a managed identity to read a secret from Azure Key Vault. This role is specifically designed for read-only access to secrets, aligning with the principle of least privilege for the app's need to retrieve a secret for third-party service authentication.
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 listing vaults and reading metadata but does not grant access to read secret values.
✗
Key Vault Secrets Officer
Why it's wrong here
This role permits full control over secrets (create, update, delete), which is more than the required read‑only access.
✓
Key Vault Secrets User
Why this is correct
This role provides read access to secret values, meeting the requirement with the minimum permissions.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Key Vault Contributor
Why it's wrong here
This role manages the Key Vault resource itself but does not grant data plane access to secrets.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse management plane roles (like 'Key Vault Contributor' or 'Key Vault Reader') with data plane roles, assuming that any 'Reader' or 'Contributor' role at the vault scope grants access to secret values, when in fact they only control the vault resource itself, not the secrets.
Detailed technical explanation
How to think about this question
Under the hood, Azure Key Vault uses two separate permission planes: the management plane (Azure RBAC) and the data plane (vault access policy or Azure RBAC for data actions). The 'Key Vault Secrets User' role is an Azure RBAC data plane role that maps to the 'Microsoft.KeyVault/vaults/secrets/getSecret/action' permission, which is required to retrieve the secret value via the Key Vault REST API (e.g., GET /secrets/{secret-name}/{secret-version}). In a real-world scenario, if the app also needed to list secrets, you would need to add the 'Microsoft.KeyVault/vaults/secrets/readMetadata/action' permission, but for a single known secret, the 'getSecret' action alone suffices.
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 — Option C is correct because the 'Key Vault Secrets User' role grants the minimum required permission—'Microsoft.KeyVault/vaults/secrets/getSecret/action'—for a managed identity to read a secret from Azure Key Vault. This role is specifically designed for read-only access to secrets, aligning with the principle of least privilege for the app's need to retrieve a secret for third-party service authentication.
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.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. You have an Azure App Service web app with a system-assigned managed identity. You need to grant it permission to read secrets from an Azure Key Vault. Which RBAC role should you assign to the managed identity at the Key Vault scope?
easy
✓ A.Key Vault Secrets User
B.Key Vault Reader
C.Key Vault Crypto User
D.Contributor
Why A: The system-assigned managed identity needs to read secrets from Key Vault. The 'Key Vault Secrets User' role grants exactly that permission — it allows the identity to perform secret read operations (Get, List) on the secrets in the vault. This is the correct RBAC role for read-only access to secrets, as opposed to keys or certificates.
Variation 2. You have an Azure App Service web app that uses a system-assigned managed identity. The app needs to read a secret stored in Azure Key Vault. You need to grant the app the minimum required permissions to access the secret. Which RBAC role should you assign to the managed identity at the Key Vault scope?
medium
A.Key Vault Reader
✓ B.Key Vault Secrets User
C.Key Vault Secrets Officer
D.Contributor
Why B: The Key Vault Secrets User role grants the minimum required permission to read secrets from Azure Key Vault. This role provides the 'Microsoft.KeyVault/vaults/secrets/getSecret/action' permission, which is exactly what the app needs to retrieve the secret value. It does not grant any write or management capabilities, adhering to the principle of least privilege.
Variation 3. 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?
medium
A.Key Vault Reader
✓ B.Key Vault Secrets User
C.Key Vault Contributor
D.Key Vault Certificate User
Why B: 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.
Last reviewed: Jun 11, 2026
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