Multiple choice .net The .Net class library: contains over 25,000 classes. uses namespaces to manage all of the classes. has the System.Form namespace for classes used in Windows-based application. Both a and b. All of the above. Reveal answer Fill a bubble to check yourself D Correct answer Explanation The .NET Class Library is massive and organized into namespaces (like System.Windows.Forms) to prevent naming conflicts and group related functionality. 'Both a and b' is the correct choice as it describes the scale and organization of the library.