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Question: As wireless networks obtain popularity there is an rising number of households using them for their home networking requirements. What advantages exist in having a wireless network in your home instead of a wired network? What are the disadvantages? An increasing number of businesses are also offering wireless Internet connections (hotspots) to their customers. Use the Internet to research three hotspots in your area. List each hotspot and any fees associated with using them.
Assume that a disk drive has 5,000 cylinders, numbered 0 to 4,999. The drive is recently serving a request at cylinder 143, and the last request was at cylinder 125.
Write a bash shell script filestatic. The script should examine the number files in directories given as arguments (parameters) to this script.
Assuming fetches to main memory are started in parallel with look-ups in cache, calculate the effective (average) access time of this system.
Think about a simple telephone network consisting of two end offices and one intermediate switch with a 1-MHz full-duplex trunk in each end office and the intermediate switch.
Discuss and explain how the asymmetric encryption algorithm can be used to achieve the following targets:
Consider a dynamic RAM that must be given a refresh cycle 64 times per ms. What percentage of the memory's total operating time must be given to refreshes?
Discuss and provide examples of the following concurrency issues associated with an OS: 1. Mutual exclusion 2. Deadlock 3. Starvation
Explain how does an company weigh the require to share data to the maximum extent to fully utilize this resource for productivity across an organization.
Increase size of memory so it contains four page frames for public use. Using same page request as above and FIFO, do another page trace analysis and calculate the failure and success ratio.
Imagine that you have been asked to prepare a paper that compares and contrasts guided vs. wireless media for inclusion in your corporation’s knowledge database.
Assume you work for a cosmetics corporation and have been asked to manage a project team that will investigate whether or not your company should start to sell its products directly to customers through the internet.
Think about the given threats to Web security and explain how each is countered by a particular feature of SSL.
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