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problem1. List out the layers of the OSI model and briefly describe the function of each layer.

problem2. List all the three key elements of protocol. Give a brief description of each of these key elements.

problem3. Describe the concept of half duplex transmission.

problem4. Describe the bus topology. Give a merit and demerits of the topology

problem5. Describe the term periodic signal and give an ex of a periodic analog signal.

problem6. A digital signal has ten levels. How many bits are required per level to represent the signal?

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Category:- Computer Network & Security
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