1. In terms of the OSI model, explain why a user who knows nothing about any of the parts of a network is still able to use a network. Give at least one example of how such a user may use a network.

2. Briefly describe how the Internet Protocol makes sure that a piece of data gets to its intended destination on the network.

3. Describe what happens at each router as data is sent from one computer to another on a TCP/IP network such as the Internet.

make sure explain the answer 1, 2, 3 like that.

Thank you