Which of the following are necessary components of a Multi-Level Security Policy?下列哪一项是多级安全策略必需的组件？（）A、Sensitivity Labels for subjects objects and a "system high" evaluation.对主体和客体实施敏感性标识以及对其进行系统高的评价B、Security Clearances for subjects Security Labels for objects and Mandatory Access Control.对主体和客体安全标识的安全许可以及强制访问控制C、Sensitivity Labels for only objects and Mandatory Access Control.只针对客体的敏感性标识和强制访问控制D、Sensitivity Labels for subjects objects and Discretionary Access Control.对主体及客体的敏感性表情和自主访问控制
Which of the following are necessary components of a Multi-Level Security Policy?下列哪一项是多级安全策略必需的组件？（）
- A、Sensitivity Labels for subjects & objects and a "system high" evaluation.对主体和客体实施敏感性标识以及对其进行系统高的评价
- B、Security Clearances for subjects & Security Labels for objects and Mandatory Access Control.对主体和客体安全标识的安全许可以及强制访问控制
- C、Sensitivity Labels for only objects and Mandatory Access Control.只针对客体的敏感性标识和强制访问控制
- D、Sensitivity Labels for subjects & objects and Discretionary Access Control.对主体及客体的敏感性表情和自主访问控制
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