第8题:[单选题]The meaning of ( ) is that access to protected information used be restricted to people who are authorized to access the information. A.digital signature B.encryption technology C.access control D.authentication technology 参考答案:C 翻译:( )的含义是,对受保护信息的访问必须限于被授权访问该信息的人。A. 数字签名B. 加密技术C.访问控制D.认证技术