This AZ-204 practice question tests your understanding of implement azure security. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 developer is implementing Key Vault certificate retrieval. The application runs on Azure App Service and must avoid stored credentials. Which design should be used?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable managed identity and grant least-privilege access to the target resource
Option C is correct because Azure App Service supports Managed Identity, which allows the application to authenticate to Key Vault without storing any credentials in code or configuration. By enabling a system-assigned or user-assigned managed identity and granting it least-privilege access (e.g., via an access policy with `Get` permission for secrets), the app can securely retrieve certificates using the Azure Identity SDK's `DefaultAzureCredential` class, which automatically obtains an access token from Azure AD.
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.
✗
Use a shared administrator account
Why it's wrong here
Shared accounts remove accountability and violate least privilege.
✗
Store a client secret in source control
Why it's wrong here
Source-controlled secrets are exposed and difficult to rotate safely.
✓
Enable managed identity and grant least-privilege access to the target resource
Why this is correct
Managed identity lets Azure-hosted apps authenticate without stored secrets.
Related concept
Read the scenario before looking for a memorised answer.
✗
Disable authentication for the target resource
Why it's wrong here
Removing authentication is not a secure design.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates might think storing a client secret in source control is acceptable if the repo is private, but Azure explicitly forbids this in security best practices, and the question requires 'avoid stored credentials' entirely.
Detailed technical explanation
How to think about this question
Managed Identity works by provisioning a service principal in Azure AD automatically tied to the App Service resource. The Azure Instance Metadata Service (IMDS) endpoint at `http://169.254.169.254/metadata/identity/oauth2/token` is used to obtain an OAuth 2.0 access token without any secrets. The token is then presented to Key Vault's REST API (e.g., `https://{vault-name}.vault.azure.net/certificates/{cert-name}`) with the `Authorization: Bearer` header. A real-world scenario is a microservice that rotates certificates daily; managed identity ensures zero-touch credential rotation.
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: Enable managed identity and grant least-privilege access to the target resource — Option C is correct because Azure App Service supports Managed Identity, which allows the application to authenticate to Key Vault without storing any credentials in code or configuration. By enabling a system-assigned or user-assigned managed identity and granting it least-privilege access (e.g., via an access policy with `Get` permission for secrets), the app can securely retrieve certificates using the Azure Identity SDK's `DefaultAzureCredential` class, which automatically obtains an access token from Azure AD.
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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