Question \#4 [23 marks]: Consider the information shown in the graphic. You can see multiple L.ANs, where in each LAN you have hosts connected by switches, and each switch is connected to one router interface. The switches and routers can be configured remotely by the network administrator, if needed, using Telnet. a) Answer the following questions: (i) What is the number of subnets needed in the graph? (ii) If you wanted to perform subnetting using the minimum number of subnets, what would be the subnet mask in this case? (iii) How many hosts addresses can then be accommodated in each subnet