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.
A background service must call Microsoft Graph without a signed-in user. Which Microsoft identity platform permission model is required? The design must avoid adding custom operational scripts.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Application permissions with client credentials flow
Application permissions with the client credentials flow are required because the background service must call Microsoft Graph without a signed-in user. This flow uses OAuth 2.0 client credentials grant (RFC 6749) where the service authenticates as itself using a client secret or certificate, not on behalf of a user. Delegated permissions (Option B) always require a signed-in user context, making them unsuitable for unattended background services.
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.
✗
Password hash synchronization
Why it's wrong here
Password hash synchronization is an identity sync method, not an API permission model.
✗
Delegated permissions only
Why it's wrong here
Delegated permissions require a signed-in user.
✗
Device code flow
Why it's wrong here
Device code flow is for user sign-in on input-constrained devices.
✓
Application permissions with client credentials flow
Why this is correct
Application permissions allow daemon apps to act as themselves without a user context.
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 confuse 'delegated permissions' (which require a user) with 'application permissions' (which do not), often selecting Option B because they think 'permissions' alone suffices, ignoring the 'without a signed-in user' constraint.
Detailed technical explanation
How to think about this question
Under the hood, the client credentials flow uses the OAuth 2.0 /token endpoint with grant_type=client_credentials, returning an access token containing the application's identity (sub claim) and roles from app roles defined in the app registration. A subtle behavior: if the app registration has both delegated and application permissions configured, the token endpoint will only issue tokens for application permissions when using client credentials; delegated permissions are ignored. In real-world scenarios, this is critical for services like Azure Functions or WebJobs that need to read all user mailboxes via Graph API without user interaction.
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: Application permissions with client credentials flow — Application permissions with the client credentials flow are required because the background service must call Microsoft Graph without a signed-in user. This flow uses OAuth 2.0 client credentials grant (RFC 6749) where the service authenticates as itself using a client secret or certificate, not on behalf of a user. Delegated permissions (Option B) always require a signed-in user context, making them unsuitable for unattended background services.
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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