Networks

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Across
  1. 3. A copper cable used to connect computers to a network.
  2. 6. Wireless technology used for transmitting data over short distances.
  3. 8. a network that spans across a building, buildings or even countries, eg the internet
  4. 9. address Media access control - each unique piece of hardware on a network has a MAC address.
Down
  1. 1. A computer that holds data to be shared with other computers. A web server stores and shares websites. Servers require server software.
  2. 2. A set of rules for how messages are turned into data packets and sent across networks.
  3. 4. A piece of hardware used in computer networks used to connect multiple devices. Unlike switches, hubs are 'dumb' and just rebroadcast packets to all nodes.
  4. 5. A device or system used to protect a network from unauthorized access.
  5. 7. Gaining unauthorised access to a computer.