Data Communication and Network

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Across
  1. 4. Confined to a limited geographical area
  2. 7. accessing of a computer system and its resource by unauthorized personnels
  3. 8. Network that has been selectively opened to specially selected individuals
  4. 9. permits data to flow in only one direction
  5. 10. high-speed Internet connections
  6. 13. discussion group where messages are stored for anyone
  7. 15. rules that govern how computers are to communicate
  8. 16. Not limited to a geographical area
  9. 17. transmit large volumes of data at speeds of over 8Mbps
Down
  1. 1. a wireless method of data transmission that uses radio signals to send data
  2. 2. private network in companies where employees can access data
  3. 3. computer network run by one organisation
  4. 5. is a site that offers Internet access over a wireless local area network
  5. 6. involves the use of body parts
  6. 7. link that takes you to another web page
  7. 8. scrambling of data during storage or transmission
  8. 10. a computer publication on the Internet
  9. 11. transfer of data from a remote computer
  10. 12. code used to destroy or corrupt data on a computer
  11. 14. Secret code