Which of the following BEST represents a clean installation of Windows XP? (Select TWO).

A.
An installation that prevents any previous data from being corrupted.

B.
An installation in which a new virus scan is performed to ensure that there are no existing infections.

C.
An installation where all existing operating system information remains intact.

D.
An installation with no existing operating system.

E.
An installation where the previous operating system is not preserved.