Your multi-national customer wants to rewrite a website portal to "take advantage of AWS best practices". Other of information that you have for this large Enterprise customer is as follows : Part of the portal is an employee-only section, and authentication must be against the corporate Active Directory. You used a web analytics website to discover that on average there were 140,000 visitors per month over the past year, a peak of 187,000 unique visitors last month, and a minimum of 109,000 unique visitors two months ago. You have no information about what percentage of these visitors represents employees who signed into the portal. The web analytics website also revealed that traffic breakdown is 40 percent South America, 50 percent North America, and 10 percent other. The customer's primary data center is located in Sao Paulo Brazil. Their chief technology officer believes that response time for logging in to the employee portal is a primary metric, because employees complain that the current website is too slow in this regard.When you present your proposed application architecture to the customer, which of the following should you propose as part of the architecture? Choose 3 answers