Which two actions should you recommend?

You are designing a Windows Azure application.
The application includes processes that communicate by using Windows Communications Foundation (WCF)
services.
The WCF services must support streaming.
You need to recommend a host for the processes and a WCF binding.
Which two actions should you recommend? (Each correct answer presents part of the solution. Choose two.)

A.
Host the processes in web roles.

B.
Host the processes in worker roles.

C.
Use NetTcpBinding for the WCF services.

D.
Use WSHttpBinding for the WCF services.