1. Which logical topologies are supported on an Ethernet network? 2. What is the differences between a physical and logical topology? 3. Which device is used to enable full-duplex communications with Ethernet? 4. Which cable type would you use to connect a workstation to a regular port on a hub or a switch? 5. Which switch feature makes choosing crossover or straight-through cables easier? 6. When would you use a rollover cable? 7. What happens if a host goes down in a star topology? What happens if a host goes down in a token-ring topology? 8. What happens if there is a cable break on a bus topology? What happens if there is a cable break on a dual-ring topology? 9. What is indicated by a flashing green link light? 10. What might be the problem if none of the NIC lights are working?