Perry works as a Web Developer for BlueWell Inc.

Perry works as a Web Developer for BlueWell Inc. He creates a catalog application named MyCatalog for a server using Visual Studio .NET. MyCatalog contains data that describes the pricing values of design catalogs. He wants to ensure that only authenticated users are authorized to access the data. He also wants the data to be secured at the highest level of authentication. Which of the following authentication levels will Perry use to accomplish this?