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 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?
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 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.
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 Secrets User
Why this is correct
This role allows reading secret contents, which is exactly what you need.
Related concept
Read the scenario before looking for a memorised answer.
✗
Key Vault Reader
Why it's wrong here
This role allows listing secrets and viewing metadata but not reading the actual secret values.
✗
Key Vault Crypto User
Why it's wrong here
This role is for performing cryptographic operations using keys, not for reading secrets.
✗
Contributor
Why it's wrong here
This role grants full management access to the Key Vault, which is overly permissive for just reading secrets.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'Key Vault Reader' (which only reads vault metadata, not secrets) with the actual data-plane role needed for secret access, or they mistakenly choose a broad role like 'Contributor' thinking it includes secret read permissions.
Detailed technical explanation
How to think about this question
Under the hood, when you assign the 'Key Vault Secrets User' role to a managed identity, Azure RBAC evaluates the identity's token against the vault's data plane. The role maps to the 'Microsoft.KeyVault/vaults/secrets/getSecret' and 'Microsoft.KeyVault/vaults/secrets/listSecrets' actions. This is distinct from the legacy Key Vault access policies, which are still supported but are now considered a separate authorization model. In a real-world scenario, if you need to read a connection string stored as a secret, this role is the precise and secure choice.
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 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.
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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