CAS (Code access security) & .NET 4.0 Security model FAQ (With Full Video demonstration)

Introduction What is CAS?What is evidence in CAS?What is a permission and permission set?What is code group?So how does CAS work on runtime?Can we see a quick demo of CAS?What is CASPOL.exe? When I open a .NET 4.0 DLL/Assembly using CASPOL it throws an error?Can you throw some more light on the security transparent model?A demo of security transparent model can really make things clear?What is