Q1: Answer the following A- What is the difference between half-duplex and full-duplex transmission modes? B- Name the four basic network topologies, and cite an advantage of each type C. Identify the five components of a data communications system D. What are the advantages of distributed processing? Q2: Match the following to one or more layers of the OSI model A. Route determination. B. Flow control. C. Interface to transmission media. D. Define segmentation. E. Defines frames. Q3:Answer the following A. Compare and contrast flow control and error control. B. Define framing and the reason for its need C. For 100 devices in a network, what is the number of cable links required for a mesh, D. What are the three criteria necessary for an effective and efficient network