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May 24, 2012 09:14 AM|LINK
The easiest way to tell if there is client-side caching is to use various browser developer tools and see what is being cached client-side. Chrome and IE have developer tools built-in, and Firefox has the crazy good Firebug.
As for server-side, caching is configured in several different places and ways. See this page for an overview: http://msdn.microsoft.com/en-us/library/ms178597.aspx