1.2 Imagine you've been hired as an IT consultant for a small business that is expanding its operations and needs to set up a new network to accommodate its growing number of employees and devices. The business has been allocated the IP address range 192.168.0.0/24 by their internet service provider (ISP). They need separate subnets for different departments and additional space for future growth. HR department: 30 devices Sales department: 25 devices IT department: 15 devices Future growth (estimated): 50 devices a. Design a network topology and clearly show the subnetworks based on the departments given b. Calculate the required subnet sizes for each department. c. Allocate the subnet addresses for each department. d. Assign the IP addresses range for each department. [5] [4 [4] [4]