Network Engineering Crossword

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Across
  1. 2. delivering data and messages through networks.
  2. 4. device directly connected to a central device
  3. 8. seven layers that computer systems use
  4. 10. the ability to connect systems or application programs
  5. 13. Display research
  6. 15. electrical device receiving a plug
  7. 16. a cellular radio system
  8. 18. key building blocks for networks
  9. 20. permits and constrains movement
Down
  1. 1. two or more pin diodes
  2. 3. a machine that can be programmed to carry out sequences
  3. 5. A type of network protocol
  4. 6. To connect devices without wires or cords
  5. 7. to provide wireless high-speed Internet access
  6. 9. system of rules
  7. 11. the delivery of computing services
  8. 12. a network security device that monitors
  9. 14. a system connecting a number of computer systems
  10. 17. use of computers to transfer information
  11. 19. protocol used in sending and receiving email