Figure 1 shows a diagram of your client's network showing an enterprise network design. Your client which is a timber wholesaler in Korea has four servers accessible via the Internet and approximately 200 users. They primarily deal with 20 customers located in 10 different countries. They want to improve the availability of their servers to their customers. Which three components would you duplicate to achieve this? Servers Users Layer 2 switch Layer 3 switch Firewall H ATM Connection Figure 1 Worldwide Telecommunications Infrastructure Customers