What do you mean by open system, Computer Networking

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COMPUTER NETWORKS

1. What do you mean by open system? What is the purpose of OSI model? Explain the layered architecture of OSI model.

2. Define the following terms:
a) Analog Signals and Digital Signals b) Composite signals

3. Discuss various LAN protocols and ALOHA protocols.

4. What do you mean by channelization? Classify different types of channelization.

5. Write short note on the following:

a) IPV4 Addressing
b) IPV6 Addressing

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