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…

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?