Exam MS-600 topic 1 question 15 discussion

Actual exam question from Microsoft's MS-600

Question #: 15
Topic #: 1

You are developing an Azure web app that will enable users to view a consolidated view of multiple users' tasks based on data in Microsoft Planner and Outlook.
The app will use the Microsoft identity platform and a certificate to establish an authorization flow between the app and Microsoft 365.
You obtain a certificate and you create an Azure Active Directory (Azure AD) application.
You need to set up authorization for the application.
Which three actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

A. From the Azure portal, upload a certificate public key for the Azure AD application.
B. Add the application permissions to the Azure AD application.
C. Modify the code of the web app to use the certificate to obtain an access token for Microsoft Graph.
D. Create a secret in the Azure AD application.
E. Add the required delegated permissions to the Azure AD application.