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Securing Operating Systems
In this document of 2-3 pages, respond to the following:
• Describe the specific security concerns or risks that your chosen operating system is exposed to and how you plan to mitigate the risk that each one presents.
• Focus on the following areas as security targets:
o Patching and installed softwareo Userso Files
• List and describe the security concerns for each of the 3 areas.
• As a system administrator, what can you do to reduce or eliminate the risks that are associated with each concern?
Demonstrate various page replacement algorithms - Calculate the number of page faults and display an output
State the purpose of each of three I/O forms including which file descriptor is used for each one. Provide your own redirection command syntax example as well as description what your command syntax will do.
Discuss the difference between passive and active intrusion detection? Passive intrusion detection will detect and record intrusion attempts, but it does not take action.
CIS 240- Application to create a series of slides which would support the presentation of the material in the paper. You may use backgrounds and/or templates however you choose.
Analysis shows that there are about five faults per 1000 lines of code in carefully made programs, which means that one million lines of codes will have 5000 faults.
In your test program you will need to create 100 or more threads causing a racing condition. One racing condition example can be each thread constantly requests a PID in multiple iterations.
q1 - technical essay describe and critically evaluate the similarities between the windows and unix operating systems
Show how to implement barriers using semaphores. Your solution should avoid busy-waiting. Be explicit about any initializations that you need to assume.
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?
What is the page size in this system - what is the maximum number of pages that can exist for a process and what is the maximum size of the logical address?
Main memory in virtually all computers contains how many data bits at each address
Now suppose a cache is installed is the institutional LAN. Suppose the hit rate is 0.5. Find the total response time
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