You are designing an ASP.NET Web application. The Web application must instruct proxy
servers between the server and the browser to not cache content. You need to recommend
an approach for instructing the proxy servers. What should you recommend?

A.
Use the Response.Cache.AppendCacheExtensionQ method with a value of no-proxy.

B.
Use the Response.Cache.SetNoTransforms() method.

C.
Use the Response.Cache.SetCacheability() method with a value of
HttpCacheability.ServerAndPrivate.

D.
Use the Response.Cache.SetVaryByCustom() method with a value of no-proxy.

Explanation: