Question 1 [10 marks] Network infrastructure is typically part of the IT Infrastructure found in most enterprise IT environments. The entire network infrastructure is interconnected, and can be used for internal communications, external communications, or both. With regards to the above statement discuss the following: a. Networking Hardware: Routers, switches, LAN cards, wireless routers, and cables. b. Networking Software: Network operations and management, operating systems, a firewall and network security applications c. Network Services: T-1 Line, DSL, satellite, wireless, protocols, IP addressing.