Correct Answer: C
You should choose an application-level authorization when configuring API permissions. Application-level authorization is suited for scenarios where there is no signed-in user, as in a Security Information and Event Management solution.
Option A is incorrect. User delegated authorization allows actions on behalf of a particular user.
Option B is incorrect. Secrets is an authentication method.
Option D is incorrect. Certification is also an authentication method.
Reference:
To know more about Microsoft Graph Security API authorizations, please refer to the link below:
https://docs.microsoft.com/en-us/graph/security-authorization