1 Design a network topology diagram for a small business with four departments IT sales marketing and administration Each department has 30 55 27 and 16 employees respectively and requires access to the companys internal servers Prepare a threetier architecture for the network with appropriate networking devices 5 marks 

2 Using the IP address block 172160021 design subnets for the four departments in the network topology diagram you created in question 1 Create a subnetting table that maximizes address utilization and minimizes the number of subnets required Show the network address subnet mask first and last usable IP addresses and broadcast address for each subnet 5 marks 

3 Configure the network devices required for the topology in question 1 to ensure that each department can communicate with each other and access the companys internal servers Choose a suitable routing protocol to ensure efficient communication between departments Also create VLANs to separate network traffic between departments and ensure network performance Also include DHCP DNS Management VLAN Ether Channel and VTP