The teacher version has the answers to these questions. These are good sections for review of the lessons. The NIC provides the physical connection between the network cable and the workstation, which is why it is considered to operate at the physical layer of the OSI model. However, it can also be considered a data link layer device since its other functions are to format information between the workstation and the network, and to control the transmission of data onto the wire. Diagram a functioning hub and explain how a hub functions.
Hubs connect workstations together across a network segment.
When a workstation sends the information to the hub, the hub sends the information to all workstations on the network segment. All Rights Reserved.