Across
- 1. The error-checking code in an frame’s trailer is called a
- 5. When several hubs or switches must be connected, usually one device is used as the central connecting point, forming an
- 7. describes how data travels from computer to computer
- 8. packet frame headers acknowledgements, and retransmissions
- 9. The 802.11 wireless networking standard is also referred to as
- 12. direct link using a wireless bridge between two devices and is mostly used in WANs
- 14. sends digital signals in which each bit of data is represented by a pulse of electricity or light
- 15. wd
- 16. The extent to which signals in an Ethernet bus topology network are propagated is called a
- 17. cabling used to communicate between LANs or between hubs and switches
- 18. The path data travels between computers on a network is considered the
- 19. In most towns you can usually find a public Wi-Fi network, called a
- 20. uses thin strands of glass to carry pulses of light long distances and at high data rates
Down
- 1. listen before send - must hear silence if two or more stations hear silence multiple stations may transmit at the same time if two or more stations transmit , a collision occurs and is detected by the NIC; all stations must retransmit
- 2. The arrangement of cabling and how cables connect one device to another in a network is considered the
- 3. is the term used when electricity bounces off the end of a cable and back in the other direction
- 4. most common media in LANs consists of four pairs of copper wiring twisted together
- 6. a continuous length of cable connecting one computer to another in daisy-chain fashion
- 10. uses analog techniques to encode binary 1s and 0s across a continuous range of values
- 11. is obsolete as a LAN medium but it is used as the network medium for Internet access via cable modem
- 13. an electrical component called a resistor that absorbs the signal instead of allowing it to bounce back