MCSD.NET - 70-340 Exam Interview Question:

Suppose You are developing a Windows-based
payroll application that will be used by all payroll administrators in the company. The application
has a single executable file that uses a separate assembly to modify payroll data.
You need to design security for your application to ensure that the assembly cannot be called by
unauthenticated and unauthorized users.
What should you do?
A. Run the application by using a user account that has access to the application directory.
B. Modify the application to validate all user-entered data.
C. Modify the application to authenticate and authorize user access within each assembly as it is
called.
D. Modify the application to authenticate and authorize user access when each user runs the
executable file.
E. Set the folder-level permissions to the executable file by using directory security.