Answer the following questions.

Select from the following list four (4) topics and discuss. Use only 50-words max per topic to discuss and present your answer.

· 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?