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Which of the following best describes the security kernel?

Which of the following best describes the security kernel?

PrepAway - Latest Free Exam Questions & Answers

A.
A software component that monitors activity and writes security events to an audit log

B.
A software component that determines whether a user is authorized to perform a requested operation

C.
A software component that isolates processes and separates privileged and user modes

D.
A software component that works in the center protection ring and provides interfaces between trusted and untrusted objects

Explanation:
B: A security kernel is the software component that enforces access control for the operating system. A reference monitor is the abstract machine that holds all of the rules of access for the system. The security kernel is the active entity that enforces the reference monitors rules. They control the access attempts of any and all subjects; a user is just one example of a subject.


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