You are creating an ASP.NET application by using the .NET Framework 3.5. The application must access a Microsoft SQL Server 2008 database. The database and the ASP.NET application are located on two different servers. The two servers are located on networks separated by a firewall. Only port 80 and port 443 are open through the firewall. You need to ensure that the application can access the database. What should you do?

A.
Perform all database access by using stored procedures.

B.
Create a SQL client alias on the Web server.

C.
Create a Web service and deploy it to the same network as the Web server.

D.
Create a Web service and deploy it to the same network as the database server.