Question 4 Please answer the following questions in relation to our topic of Firewalls and the DMZ. The network diagram that relates to this question is at the end of this assignment with the heading "Network Diagram Travel Shoppers\". Your manager is very interested in the firewall design for "Travel Shoppers\". He asks for an explanation of the two major types of firewalls that have been used in the Travel Shoppers network design and the advantages of these firewall types. He asks if and how the chosen firewall design would effectively deal with 'spoofing' attacks and 'malicious' code attacks. Your manager has heard of the DMZ concept, however he wants to know why it is needed, how it works and how \"breaking the connection' delivers better security to Travel Shoppers. (10%) Network Diagram - Travel Shoppers Other important Kerberos servers Stateful inspection File server Internet Stateful inspection Cloud DNS Server Email Server Print Server Ethernet Stateful inspection Packet filtering Router Office PCs PCs Web Proxy Server VPN Stateful inspection Stateful inspection NIDS Wireless Access Point Web Server with Work area for certificate Sales Database Server (for Cardholder Data) representatives