7.11. Exercises

1:Does a gasoline engine have a single point of failure? Does a motorized fire engine? Does a fire department? How does each of the last two compensate for single points of failure in the previous one(s)? Explain your answers.
2:Telecommunications network providers and users are concerned about the single point of failure in “the last mile,” which is the single cable from the network provider's last switching station to the customer's premises. How can a customer protect against that single point of failure? Comment on whether your approach presents a good cost-benefit trade-off.
3:You are designing a business in which you will host companies' web sites. What issues can you see as single points of failure? List the resources that ...

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