What are two possible causes of the error?

You have a custom web app that uses the Microsoft Graph API.

You receive an HTTP 403 Forbidden error when you call the Microsoft Graph endpoint.

What are two possible causes of the error? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.
A . The access token is valid but corresponds to a different endpoint.
B. The Authorization header is missing from the HTTP request.
C. The requested resource does not exist.
D. The API permissions are insufficient to call the requested resource.
E. The access token is invalid.

View Answer

Answer: A,D

Explanation:

Reference: https://docs.microsoft.com/en-us/graph/resolve-auth-errors