A small size start-up company owns 4 departments marketing, administrative, finance and customer service with 12 hosts, 6 hosts, 8 hosts and 10 hosts each along with a web server and mail exchange server. Both servers have to be connected to the internet. As a network administrator answer the following:

i. Which would be most appropriate topology for the above given scenario. Justify your answer. Find out the total number of cables needed, I/O ports required per device and total number of ports per network for construction of the network with the suggested topology.

ii. If security is a prime concern to connect the hosts from each department along with the 2 servers whether there will be any change in the topology. If yes justify your answer.

iii. Draw the complete network infrastructure for the above given scenario by assigning IP address.