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Question: Suppose that you have been asked to consult for a corporation that has branch offices in four continents. You have implemented a management data system that will enable its managers to exchange information about various company activities in the areas of marketing, sales, HR, finance, and administration. As part of the implementation process, you are required to make a recommendation on the types of security measures that should be taken with implementation of this system.
Answer the following questions:
1. What are some of the potential security threats to managing information related to these activities across multiple locations?2. What strategies or tools could be used to minimize these types of threats upon implementing a system in this situation?
Discuss how many minimum length Ethernet frames can a ten Mbps switch port forward in one second, assuming no collision?
Assume that 80 percent of the accesses are in the associative memory and that, of the remaining, 10 percent (or 2 percent of the total) cause page faults.What is the effective memory access time?
CPU with interrupt-driven I/O is busy servicing disk request. While CPU is midway through the disk-service routine, another I/O interrupt occurs. What occurs next?
Write a multi-threaded program to solve producer and consumer problem
Suppose you have decided to buy a personal computer system for personal use and wish to be able to do the following tasks on the computer,
Seek time 1 ms for every 100 tracks traversed. Initial track position is 0. Compute average seek time & rotational latency.
You are asked to design the virtual memory system for a new operating system working on small mobile devices. The memory operates at 333 MHz with a word size of 4 bytes.
Describe three solutions to critical section problem Explain the different methods used to handle deadlocks Distinguish between "No preemption" and "circular wait" in deadlocks prevention
Explain a complication that concurrent processing adds to an operating system.
Determine when a script having these invisible characters are interpreted by linux or *nix shells, they are flagged as errors, since *nix uses 'n' as new lines.
The Shortest Job Next (SJN) algorithm queues processes in a way that the ones that use the shortest CPU cycle will be selected for running rst.
Suppose shared bank account exists between husband and wife and concurrently husband calls withdraw() function and wife calls deposit(). Explain how race condition is possible and what might be done to prevent race condition from occuring.
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