Across
- 1. PDU for layer 2
- 3. type of T1 or Circuit connection
- 6. uses one laser or beam of light
- 7. TCP or UDP
- 8. (abbr,w/dash)used during half duplex ops
- 10. adding headers and trailer to data
- 12. defines a standard/naming and speed specs
- 13. pdu for layer 3
- 14. networks for homes
Down
- 2. type of network for businesses
- 4. needed cable for SW-SW connection
- 5. also called the network layer
- 6. (2wrds w-) needed for PC-SW
- 9. uses multiple beams of light
- 11. bounces the signal back down the core