networking

1. a device that works on the 2nd layer of the ISO/OSI layer and links hosts together - used to create predominantly star and extended star networks
4. PoE stands for '... over Ethernet'
6. copper media with a very high resistance to EMI
7. EMI stands for 'electromagnetic ...'
9. media primarily used in long range or high speed communication, that cannot supply electricity to devices

2. the material cables that support PoE are made out of (not isolation)
3. media that is rarely used nowadays, but was a staple in the 90s and early 00s - created bus type networks
5. a device that works on the 3rd layer of the ISO/OSI model and links networks together
7. the successor to IPv4
8. a device crucial for maintaining security over the internet, usually included in personal computers via software