a) Define the following: (i) Computer Network (ii) NIC (iii) Protocols (6 Marks) (b) State any 3 modes of communication on a network. (3 Marks) (c) Outline the three switching techniques. (3 Marks) (d) Briefly mention any two advantages of Multiplexing. (2 Marks) (e) (i) State the five OSI layers. (5 Marks) (ii) Give one protocol under each layer mentioned in, (e) (i) above. (3 Marks) (f) Differentiate between the following terms: (i) Client-server and peer-to-peer networks. (ii) Demand priority and polling (iii) Repeater and Switch (iv) Unbounded and Bounded networking. (8 Marks)
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