You are the administrator of the Windows XP Professional portable computers that are used by your company’s sales representatives. The computers are members of a Windows 2000 domain. A Windows 2000 Server computer named Server1 contains the sales data used by the sales representatives in a shared folder named
Data. When sales representatives travel, they use the Offline Files feature to access the files in the Server1Data shared folder. You want to ensure that the offline files on the portable computers are not accessible by unauthorized persons, in the event that a portable computer is lost. What should you do?