1. What is a token, and how are tokens used to control network access? 2. In a reservation system, how does a controller form a list of stations that will transmit in a given round? 3. Expand the...

1. What is a token, and how are tokens used to control network access?

2. In a reservation system, how does a controller form a list of stations that will transmit in a given round?

3. Expand the acronym CSMA/CD, and explain each part.

4. In the Aloha protocol, what happens if two stations attempt simultaneous transmission on the inbound frequency, and how is the problem handled?