- A
The app registration in Entra ID is missing the 'User.Read' delegated permission. The team must grant admin consent for the permission.
Why wrong: Incorrect: the problem states the app registration includes 'User.Read'.
- B
The App Service Authentication feature is not configured to request the 'User.Read' scope. The team must add the scope in the 'Allowed external redirect URLs' or configure the 'Additional login parameters' to include 'scope=User.Read'.
Correct: EasyAuth does not automatically request Graph scopes.
- C
The authorization code flow with PKCE is not supported by App Service Authentication. The team should use the implicit flow.
Why wrong: Incorrect: PKCE is supported.
- D
The redirect URI is incorrect. The team must use the App Service's authentication endpoint instead of the app's URL.
Why wrong: Incorrect: redirect URI should be the app's URL.
Quick Answer
The answer is that the App Service Authentication (EasyAuth) feature is not configured to request the 'User.Read' scope for Microsoft Graph. By default, EasyAuth only requests the 'openid' and 'profile' scopes during the OAuth 2.0 authorization code flow with PKCE, so even though the app registration includes the delegated permission and the custom code uses MSAL, the token endpoint returns only an ID token unless you explicitly add the scope in the 'Additional login parameters' or 'Allowed external redirect URLs' settings. This scenario tests your understanding of how EasyAuth acts as a token relay—it intercepts the authentication flow and issues its own tokens, meaning you must configure it to request the Graph scope separately from the app registration. On the AZ-204 exam, this is a common trap where candidates assume the app registration’s permissions automatically flow through EasyAuth, but they do not. Memory tip: think of EasyAuth as a gatekeeper that only asks for what you tell it to ask for—if you want Graph data, you must explicitly add the scope parameter.
AZ-204 Practice Question: Connect to and consume Azure services and third-party services
This AZ-204 practice question tests your understanding of connect to and consume azure services and third-party services. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
Litware Inc. has an Azure App Service web app that needs to authenticate users via Microsoft Entra ID. The app uses the Microsoft Authentication Library (MSAL) for .NET. The app must also call Microsoft Graph to read user profiles. The app is registered in Entra ID with delegated permissions for 'User.Read'. The team wants to use the OAuth 2.0 authorization code flow with PKCE. The redirect URI is set to the App Service's URL. The app uses the App Service Authentication feature (EasyAuth) and also custom code. The team notices that after signing in, the app receives an ID token but not an access token for Microsoft Graph. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
The App Service Authentication feature is not configured to request the 'User.Read' scope. The team must add the scope in the 'Allowed external redirect URLs' or configure the 'Additional login parameters' to include 'scope=User.Read'.
The App Service Authentication feature (EasyAuth) by default only requests the 'openid' and 'profile' scopes. It does not request the 'User.Read' scope for Graph unless configured. The team must configure the 'Allowed token audiences' or scopes in the EasyAuth settings. Option A is correct. Option B is wrong because the app registration does include the scope. Option C is wrong because PKCE is not the issue. Option D is wrong because the redirect URI is correct.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The app registration in Entra ID is missing the 'User.Read' delegated permission. The team must grant admin consent for the permission.
Why it's wrong here
Incorrect: the problem states the app registration includes 'User.Read'.
- ✓
The App Service Authentication feature is not configured to request the 'User.Read' scope. The team must add the scope in the 'Allowed external redirect URLs' or configure the 'Additional login parameters' to include 'scope=User.Read'.
Why this is correct
Correct: EasyAuth does not automatically request Graph scopes.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Authentication checks who the user is.
- ✗
The authorization code flow with PKCE is not supported by App Service Authentication. The team should use the implicit flow.
Why it's wrong here
Incorrect: PKCE is supported.
- ✗
The redirect URI is incorrect. The team must use the App Service's authentication endpoint instead of the app's URL.
Why it's wrong here
Incorrect: redirect URI should be the app's URL.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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.
What to study next
Got this wrong? Here's your next step.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related AZ-204 questions on access control and AAA configuration.
- →
Connect to and consume Azure services and third-party services — study guide chapter
Learn the concepts, then practise the questions
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Connect to and consume Azure services and third-party services practice questions
Targeted practice on this topic area only
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All AZ-204 questions
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Microsoft Azure Developer Associate AZ-204 study guide
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FAQ
Questions learners often ask
What does this AZ-204 question test?
Connect to and consume Azure services and third-party services — This question tests Connect to and consume Azure services and third-party services — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: The App Service Authentication feature is not configured to request the 'User.Read' scope. The team must add the scope in the 'Allowed external redirect URLs' or configure the 'Additional login parameters' to include 'scope=User.Read'. — The App Service Authentication feature (EasyAuth) by default only requests the 'openid' and 'profile' scopes. It does not request the 'User.Read' scope for Graph unless configured. The team must configure the 'Allowed token audiences' or scopes in the EasyAuth settings. Option A is correct. Option B is wrong because the app registration does include the scope. Option C is wrong because PKCE is not the issue. Option D is wrong because the redirect URI is correct.
What should I do if I get this AZ-204 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related AZ-204 questions on access control and AAA configuration.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Authentication checks who the user is.
About these practice questions
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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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