You are designing a Windows Presentation Foundation (WPF) application for your company by using Microsoft NET Framework 4 and Microsoft Visual Studio 2010.
The middle tier of the application will use an existing WIN32 dll that requires elevated privilege
You need to ensure that the middle tier can be implemented as a Windows Communication Foundation (WCF) service.
What should you do?
A. Use full-trust Level 1 Security-Transparent code
B. Use full-trust Level 2 Security-Transparent code
C. Use partial-trust Level 1 Security-Transparent code.
D. Use partial-trust Level 2 Security-Transparent code