Implement a secure site with ASP.NET

What are the primary differences between the AntiXSS Library and the default .NET Framework? (Choose all that apply)

The AntiXSS Library takes an accepted-list approach, whereas the .NET Framework takes a blocked-list approach.
The AntiXSS Library has be modified to realize performance gains.
The AntiXSS Library takes a blocked-list approach, whereas the .NET Framework takes an accepted-list approach.
The AntiXSS Library offers enhanced globalization capabilities.