You are designing an application by using Microsoft .NET Framework 4, Microsoft Visual Studio 2010, and Microsoft SQL Server 2008
The application will be used by a sales team to enter sales orders and update customer information. You need to ensure that the application meets the following requirements "Allows users to enter sales orders while their computers are disconnected from the network
"Uploads sales orders to the server database when connected to the network
"Compiles against the NET Framework 4 client profile.
What should you use?
A. XML files
B. WCF services
C. Microsoft Sync Framework
D. the System Web. Caching namespace classes
