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.
You need to design a solution to securely store and access secrets (e.g., API keys, connection strings) for a set of Azure Functions. The solution must minimize administrative overhead and avoid storing secrets in code or configuration files. Which THREE should you include? (Choose three.)
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
✓
Store secrets in Azure Key Vault
Azure Key Vault is the correct service for securely storing secrets like API keys and connection strings because it provides centralized, hardware-backed secret management with access policies and auditing. By referencing Key Vault secrets from Azure Functions via a managed identity, you avoid storing secrets in code or configuration files, which aligns with the requirement to minimize administrative overhead and eliminate plaintext secrets.
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.
✓
Store secrets in Azure Key Vault
Why this is correct
Key Vault is the recommended service for storing secrets securely.
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.
✗
Store secrets in application settings as plain text
Why it's wrong here
Plain text in settings is not secure and increases risk of exposure.
✗
Use Azure App Configuration for feature flags
Why it's wrong here
App Configuration is for configuration, not secrets.
✓
Assign a managed identity to each function app
Why this is correct
Managed identity allows the function to authenticate to Key Vault without secrets.
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.
✓
Enable Key Vault soft-delete and purge protection
Why this is correct
These features protect against accidental deletion and provide recovery options.
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.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure App Configuration with a secret store, but App Configuration is for feature flags and non-sensitive configuration, while Key Vault is the dedicated service for secrets, and managed identities are required to access it securely without storing credentials.
Detailed technical explanation
How to think about this question
Under the hood, managed identities in Azure Functions use the Azure Instance Metadata Service (IMDS) to obtain an access token for authenticating to Key Vault, eliminating the need for credential management. The Key Vault references feature in Azure Functions allows you to specify a secret URI in application settings, and the Functions runtime automatically resolves it at runtime using the assigned managed identity, ensuring secrets are never stored in plaintext. This approach also integrates with Key Vault soft-delete and purge protection to prevent accidental or malicious permanent deletion of secrets, which is critical for compliance and recovery scenarios.
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: Store secrets in Azure Key Vault — Azure Key Vault is the correct service for securely storing secrets like API keys and connection strings because it provides centralized, hardware-backed secret management with access policies and auditing. By referencing Key Vault secrets from Azure Functions via a managed identity, you avoid storing secrets in code or configuration files, which aligns with the requirement to minimize administrative overhead and eliminate plaintext secrets.
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.
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Question Discussion
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