Question 4 Assume that you are working for a large corporation that is using the private IP wants to be able to accommodate at least 30 departments with a maximum number of address range 172.20.0.0/16 for its internal network. The company management 2000 hosts per department. You are requested to design the network layout a) What is the maximum number of departments that the company can accommodate? Explain the logic of your answer. What subnet mask will need to be used? 10 MARKS b) What are the valid host addresses on the first subnet?7 MARKS c) What is the network and broadcast address for the last available subnet? 8 MARKS