You are designing an ASP.NET Web application that will be developed by using Microsoft Visual Studio 2010. The application will interact with a Microsoft SQL Server database.
The data access layer of the application must meet the following requirements:
– Support rapid application development techniques.
– Allow the underlying database schema to change without affecting the object model.
– Contain strongly typed data objects.
You need to develop the data access layer.
Which data access technology should you recommend?

A.
Entity Framework

B.
WCF Data Services

C.
ADO.NET Data Set

D.
ADO.NET Data Tables