You are designing a Windows Communication Foundation (WCF) service. The WCF service
will support a common data access strategy for an ASP.NET 1.1 Web application and an
ASP.NET 4 Web application. You have the following requirements: Ensure that the WCF
service complies with WS-* standards. Enable backward-compatibility for clients that can
consume only ASMX Web Services. You need to recommend an endpoint and binding
strategy for the WCF service. What should you recommend?

A.
multiple endpoints using NetTcpBinding and WSHttpBinding

B.
a single endpoint using NetMsmqBinding

C.
multiple endpoints using BasicHttpBinding and WSHttpBinding

D.
a single endpoint using NetTcpBinding

Explanation: