Mandatory Access requires that sensitivity labels be attached to all objects. Which of the following would be designated as objects on a MAC system?强制访问控制需要敏感性标识被标识在所有客体，以下哪一个将在访问控制系统上标识为一个客体？（）A、users, windows, and programs.用户，窗口，以及程序B、files, directories, and print queue文件、 目录和打印队列C、devices, processes, I/O pipe, and sockets.设备，进程，输入输出通道以及接口D、files, directories, processes, and sockets.文件、目录，进程，以及接口
Mandatory Access requires that sensitivity labels be attached to all objects. Which of the following would be designated as objects on a MAC system?强制访问控制需要敏感性标识被标识在所有客体，以下哪一个将在访问控制系统上标识为一个客体？（）
- A、users, windows, and programs.用户，窗口，以及程序
- B、files, directories, and print queue文件、 目录和打印队列
- C、devices, processes, I/O pipe, and sockets.设备，进程，输入输出通道以及接口
- D、files, directories, processes, and sockets.文件、目录，进程，以及接口
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