70-499 Question #91: Real Exam Question with Answer & Explanation

You are the application architect on your team. You have a straightforward architecture consisting of an ASP.NET MVC Web Application that depends on a Class Library, which contains the Business Logic. The Business Logic uses another Class Library that contains the Data Access code. No code in the UI should ever use the Data Access library directly. You need to enforce this architectural requirement. Which Visual Studio tool should you use?