What are the no read up and no write down rules in the context of multi level security and how do they protect a system's security What are three benefits that can be provided by an intrusion detection system Context switching between two processes within an operating system is usually performed by a small assembly language function Explain context switching and the differences between process and thread context switching What is the memory management unit and what is it responsible for

Question: What are the no-read up and no-write down rules in the context of multi-level security and how do they protect a system's security? What are

What are the no-read up and no-write down rules in the context of multi-level security and how do they protect a system's security?
What are three benefits that can be provided by an intrusion detection system?
Context switching between two processes within an operating system is usually performed by a small assembly language function. Explain context switching and the differences between process and thread context switching?
What is the memory management unit and what is it responsible for?

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