Quick Answer
The answer is Azure Managed Identity, which is the correct choice because it enables your Azure resource—such as an App Service or Azure Function—to authenticate directly to Key Vault without ever storing credentials in code or config files. Managed Identity works by automatically provisioning a service principal in Azure AD for the resource, allowing it to obtain tokens for Key Vault access without any hardcoded secrets. On the AZ-204 exam, this scenario tests your understanding of secure authentication patterns versus authorization mechanisms like access policies, which control permissions but not identity. A common trap is confusing Managed Identity with connection strings or certificates—remember that credentials are never stored, only tokens are used. Memory tip: think “no keys in code, just an identity token” to recall that Managed Identity eliminates credential management entirely.
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.
Your application uses Azure Key Vault to store secrets. You need to ensure that the application can access secrets without storing any credentials in the application code or configuration files. What should you use?
Azure Managed Identity
Managed Identity provides an automatically managed identity for authentication.
Key Vault access policies
Why wrong: Access policies control permissions, not authentication.
A connection string with the secret
Why wrong: This would expose credentials in code or config.
A client certificate stored in the application
Why wrong: Certificate management adds complexity; managed identity is simpler.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Azure Managed Identity
Azure Managed Identity allows Azure resources (like App Service, Functions, VMs) to authenticate to Key Vault without storing credentials. Option B is correct. Option A is wrong because Key Vault access policies control permissions, not authentication. Option C is wrong because connection strings contain credentials. Option D is wrong because certificates are an authentication method but require certificate management.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Azure Managed Identity
Why this is correct
Managed Identity provides an automatically managed identity for authentication.
Related concept
Read the scenario before looking for a memorised answer.
Key Vault access policies
Why it's wrong here
Access policies control permissions, not authentication.
A connection string with the secret
Why it's wrong here
This would expose credentials in code or config.
A client certificate stored in the application
Why it's wrong here
Certificate management adds complexity; managed identity is simpler.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
What to study next
Identify which AZ-204 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Implement Azure security — study guide chapter
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FAQ
Implement Azure security — This question tests Implement Azure security — Read the scenario before looking for a memorised answer..
The correct answer is: Azure Managed Identity — Azure Managed Identity allows Azure resources (like App Service, Functions, VMs) to authenticate to Key Vault without storing credentials. Option B is correct. Option A is wrong because Key Vault access policies control permissions, not authentication. Option C is wrong because connection strings contain credentials. Option D is wrong because certificates are an authentication method but require certificate management.
Identify which AZ-204 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
This AZ-204 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-204 exam.
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