YouhaveacomputerthatrunsWindowsXPProfessional.TwousersnamedUser1andUser2sharethecomputer.User1andUser2encryptfilesonthecomputer.User1encryptsafilenamedfiledoc.YouneedensurethatbothUser1andUser2canviewthecontentsoffiledoc.WhatshouldyouinstructUser1todo?（）
A.AddthecertificateofUser2tofiledoc.
B.AssignUser2theFullControlNTFSpermissiononfiledoc.
C.Copyfiledocthe%systemroot%\documentsandsettings\allusers\folder.
D.Movefiledoctothe%systemroot%\documentsandsettings\allusers\folder.
参考答案：A
