You create an ASP.NET application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5.
The application retrieves a large amount of application-wide data from a database. The data retrieval is very slow. The data gets refreshed every 30 minutes.
You need to ensure that the data is available for frequent access. You also need to make the most efficient use of resources.
Which storage mechanism should you use?

A.
View state

B.
Session state

C.
Application state

D.
Application cache