Question1. List out the layers of the OSI model and briefly explain the function of each layer.
Question2. List all the three key elements of protocol. Give a brief description of each of these key elements.
Question3. Describe the concept of half duplex transmission.
Question4. Describe the bus topology. Give a merit and demerits of the topology
Question5. Describe the term periodic signal and give an example of a periodic analog signal.
Question6. A digital signal has ten levels. How many bits are required per level to represent the signal?