You have to connect your app to an online identity provider that uses OAuth authentication protocol. The app must securely use the WebAuthenticationBroker object for authentication. You need to ensure that the app registers with the provider. Which two actions should you perform? Each correct answer presents part of the solution.
A. Construct a HTTP request URI.
B. Call the GetCurrentApplicationCallbackUri method.
C. Call the AuthenticateAsync method.
D. Construct a HTTPS request URI.