Which of the following actions will Allen take to accomplish the task?

Allen works as a Software Developer for ManSoft Inc. He develops an application using Visual Studio .NET 2005. Only the employees of the company use the application. Allen wants to ensure that when a request on a page is made by a user the application asks for his authentication.

Which of the following actions will Allen take to accomplish the task? Each correct answer represents a part of the solution. Choose two.
A . Specify User.Identity to authenticate the user.
B . Set the impersonate attribute of the <identity> element to true.
C . Specify the username and password attributes.
D . Set the impersonate attribute of the <identity> element to false.

Answer: B,C