.The discussion questions this week are from Chapter’s 16-20 (Jamsa,

.The discussion questions this week are from Chapter’s 16-20  (Jamsa, 2013).

 Chapter 16 topics:

  • Define and describe total cost of ownership. List at least 10 items to consider when determining a data center’s total cost of ownership.
  • Define and describe a capital expense. How are capital expenses different from operational expenses?
  • Define and describe economies of scale and provide a cloud-based example.
  • Define and describe “right sizing” as it pertains to cloud computing.
  • Define Moore’s law and discus how it might influence cloud migration.
  • Given company revenues of $2.5 million and expenses of $2.1 million, calculate the company’s profit and profit margin.

Chapter 17 topics:

  • Compare and contrast functional and nonfunctional requirements and provide an example of each.
  • Discuss why a designer should avoid selecting an implementation platform for as long as possible during the design process.
  • Discuss various trade-offs a designer may need to make with respect to nonfunctional requirements.
  • Discuss why the system maintenance phase is often the most expensive phase of the software development life cycle.

Chapter 18 topics:

  • Using Yahoo! Pipes, create a pipe that displays the names of pizza restaurants within a given zip code.
  • Using Google App Engine, create a page that displays the following Python script:
    • print “Content-type: text/htmlnn”
    • print “<html>Cloud Computing, Chapter 18</html>”

Chapter 19 topics:

  • Define scalability.
  • List five to ten potential relationships that align with the Pareto principle, such as how 80 percent of sales come from 20 percent of customers.
  • Compare and contrast vertical and horizontal scaling.
  • Explain the importance of the database read/write ratio.
  • Assume a site guarantees 99.99 percent uptime. How many minutes per year can the site be down?
  • Note: You are required to use at least two-peer reviewed sources (besides your textbook) to answer the above questions.