What mechanism does a system use to compare the security labels of a subject and an object?系统使用什么机制来比较的主体和客体的安全标识？（）A、Security Module.安全模块B、Validation Module.验证模块C、Clearance Check.声明检查D、Reference Monitor.引用监视器
What mechanism does a system use to compare the security labels of a subject and an object?系统使用什么机制来比较的主体和客体的安全标识？（）
- A、Security Module.安全模块
- B、Validation Module.验证模块
- C、Clearance Check.声明检查
- D、Reference Monitor.引用监视器
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