Contoso, Ltd., uses Azure websites for public-facing customer websites. The company has a mobile app that requires customers sign in by using a Contoso customer account.
Customers must be able to sign on to the websites and mobile app by using a Microsoft, Facebook, or Google account. All transactions must be secured in-transit regardless of device.
You need to configure the websites and mobile app to work with external identity providers.
Which three actions should you perform? Each correct answer presents part of the solution.
A. Request a certificate from a domain registrar for the website URL, and enable TLS/SSL.
B. Configure IPsec for the websites and the mobile app.
C. Configure the KerberosTokenProfile 1.1 protocol.
D. Configure OAuth2 to connect to an external authentication provider.
E. Build an app by using MVC 5 that is hosted in Azure to provide a framework for the underlying authentication.
