+1 862 207 3288 Chapter 11.
Question 1- Imagine that you are the manager of a small business computing center. List at least three techniques that you would use to convince a busy, reluctant night operator to perform backups. Explain the best and worst possible technique to assure your success.
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Question 4- Describe the advantages and disadvantages of password generator software. Would you recommend the use of such software for your own system? Explain why or why not.
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Question 7- Given multi-network access, it’s not unusual for users to have multiple user identification and passwords. How would you manage these multi-password situations? Describe both the advantages and disadvantages of your solution.
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Chapter 12.
Question 6-Review the system with one CPU and four drives below:
CPU: W = 4ms ( the average time to execute 1,000 instructions)
Drive A = 45ms (average data access speed)
Drive B = 3ms (average data access speed)
Drive C = 17ms (average data access speed)
Drive D = 10ms (average data access speed)
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Question 11- Calculate the reliability of a hard disk with an MTBF of 2,499 hours during the last 40 hours of this month. Assume e=2.71828 and use the formula ; Reliability(t) =e– (1/MTBF)(t)
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