You are creating an ASP.NET application that will record each customer's entry. It is possible that thousands of entries could be posted at any given time. Your application will be hosted on twenty Web servers. As customers enter information into your application - maintaining state information will be important. This information should be stored securely and should be capable of being restored in the event that a Web server is restarted. Customers will enter data into three separate pages in your application. Which of the following methods of storing state information would best suit the situation?

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