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Operating system 1. Give an example of the use of physical separation for security in a computing environment.
2. Give an example of an object whose security level may change during execution.
3. A directory is also an object to which access should be controlled. Why is it not appropriate to allow users to modify their own directories?
4. Suggest an efficient scheme for maintaining a per-user protection scheme. That is, the system maintains one directory per user, and that directory lists all the objects to which the user is allowed access. Your design should address the needs of a system with 1000 users, of whom no more than 20 are active at any time. Each user has an average of 200 permitted objects; there are 50,000 total objects in the system.
In different communications models, communication may take place using either "message passing" or "shared memory". Distinguish between "message passing" and "shared memory", illustrating your answer with a diagram Give three advantages of virt..
How are they different, and how does the size of the file relate to the speed of its presentation in the browser?
There is a school of thought that discusses that, far from being undesirable, few degree of scope creep may in fact be beneficial for certain types of assignments.
the executable should be testparser .please include makefile. please add as many comments as you can.verify the below
Deleting items never really gets rid of them. After reading this week's course materials, describe what Internet users should know about one of the following topics: What should you know about website privacy?
Fundamentals of WLAN technology Recommendations for WLAN solutions for the new company Recommendations for implementing your proposed solutions Practices that you will use to ensure wireless security within the enterprise
Describe and critically evaluate the similarities between the Windows and Unix operating systems and Identify and Describe the processes involved in the Windows Client Server environment.
Describe the Windows kernel, including its two main components.
What is the best operating system in the world, And which one is better: PS4 or Xbox One
Describe how you would use a negative feedback loop to manage your bank balance.Describe how you would do so with a positive feedback loop. Explain which you would prefer and why?
Floor space in some unit other than ft sq -- such as the how many living rooms in your house would be required to hold the equipment, or football fields, or aircraft carrier decks, etc.
What is the server IP address and what is the application layer protocol involved - what is the client port number for data download?
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