Problem # 1 Description Given the following multi-tier architecture for a hospital system for patients, doctors and staff, explain briefly role played by various servers. For example, The internal web server is part of the web/business logic layer and allows users in the hospital internal network to connect to the hospital system from their devices (laptops etc.). The main function of the server is to store, process and deliver web pages to clients. Internet Firewall External Web Server External Users DMZ Internal Web Server Application Servers Firewall Internal Users Database Server Note: A demilitarized zone (DMZ) is a perimeter network that protects an organization's internal local-area network (LAN) from untrusted traffic. A common DMZ meaning is a subnetwork that sits between the public internet and private network