John works as a Windows Developer for PassGuide.com. John has been given a task to create a
WCF 4.0 by using the Microsoft .NET Framework 4.0. The client applications are unable to use
SSL feature.
John here needs to make sure that a client is authenticated by using a token mentioned by a
Security Token Service (STS).
What should John do to accomplish the task?

A.
Use a WSFederationHttpBinding binding with the security code set to Message.

B.
Use a BasicHttpBinding binding.

C.
Use a BasicHttpBinding binding with the security code set to Message.

D.
Use a WSFederationHttpBinding binding.

Explanation: