SECTION B Question 3 (25 marks) Case: Network for Inventory Management System M&N Health Pro Private Ltd wanted to create a network for the Inventory Management System that will connect the main sales outlet at Westgate Mall with two other sales outlets at IMM Mall and Clementi Mall. You are required to design a network to connect all the devices required by the system for all three branches. The network will connect the following requirements using the Internet: The company has a server that will host the Inventory Management System at the outlet in Westgate Mall. Each sales outlet will have a storeroom. Each storeroom will have one desktop computer equipped with a barcode reader to track the inflow and outflow of stocks. A laptop computer will be given to each sales outlet manager for monitoring the sales and inventory of the outlet. There is a Point-of-Sale terminal in each outlet for customers to make payment for their purchases. All the desktop computers, laptop computers and point-of-sale terminals in the three outlets will be linked by a network to the server located at Westgate Mall outlet. You are required to write a brief proposal to discuss how such network can be created. Your proposal should cover the following areas: (a) Provide a list of essential computer equipment, network devices and network services required to set up the entire network infrastructure. (b) Draw a simple network diagram and describe your proposed network infrastructure by including discussion related to the type of network you will be creating. You should indicate the computer equipment, network devices and services required clearly to show how they are connected. State the security measures to be implemented to protect the different parts of the network infrastructures and explain how Intranet, Extranet and Client/Server network are being implemented. (c) Explain the protocol and best communication media to be used for connecting the corporate network to the Internet.