以下没有使用加密技术的访问控制技术是【】
A.VPN
B.文件压缩
C.真实性认证
D.数据库用户口令管理
正确答案是B
Complete the following sentence with a (compound) word derived from the one given in bracket.
My mother believed that I was blessed with a rare（ ）to make something of myself. (determine)
