Q.3.1 A data communication system consists of three main components.
Q.3.2 Using a scenario example, differentiate between WAN and LAN Identify and describe the role of each of these components in a data communication system. Q.3.3 Explain the purpose of each layer of the Open System Connection (OSI) model. Note: you are required to first state the layer followed by its purpose. Q.3.4 Draw a diagram depicting a Mesh topology then describe the topology including at least two advantages and two disadvantages. Note: You are required to draw your own diagram. Q.3.5 Describe the two categories of wireless technologies?
Q.3.6 List four devices you use as a student for sending and receiving information.