What are two valid reasons for using IBM Tivoli Access Manager for Enterprise Single Sign-On Graphical Identification and Authentication (GINA)?()<img src="https://nimg.ppkao.com/2018-08/wangjing/2018080210105526332.jpg?sign=f165acc0bce7714a05170b817f3d9246&t=62d1349a" />
A、A
B、B
C、C
D、D
E、E