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AI-102 Implement generative AI solutions Practice Question

Exhibit

{
  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users/$entity",
  "id": "87d349ed-44d7-43e1-9a83-5f2406dee5bd",
  "displayName": "John Doe",
  "userPrincipalName": "john.doe@contoso.com",
  "businessPhones": [],
  "mobilePhone": null,
  "jobTitle": null,
  "mail": null
}

Refer to the exhibit. You are using Microsoft Graph to retrieve user information for use in a Microsoft 365 Copilot extension. The response shows that the mail and mobilePhone fields are null. What is the most likely reason?

⚠ Common exam trap

Microsoft often tests the misconception that missing data in a successful API response is due to permission issues or user type, when in reality the most likely cause is that the data simply hasn't been configured.

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 user has not configured those properties in their Microsoft Entra ID profile.

The mail and mobilePhone fields are null because the user has not populated these attributes in their Microsoft Entra ID (formerly Azure AD) profile. Microsoft Graph returns the actual stored values for these properties; if they are empty or unset, the API response will show null. This is the most common and straightforward reason for null values in user profile fields.

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 user has not configured those properties in their Microsoft Entra ID profile.
Why this is correct
Null values indicate unset properties.
✗
The API call required additional permissions.
Why it's wrong here
No error is returned.
✗
The user is a guest user.
Why it's wrong here
Could be, but not indicated.
✗
The user does not exist in the tenant.
Why it's wrong here
The user exists (id present).

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AI-102 Implement generative AI solutions Practice Question

Exhibit

Why each option matters

Option-by-option breakdown

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