Lab 2: Physical Layer Concepts

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Across
  1. 3. Can take any shape and represent an infinite number of possibilities
  2. 4. Insertion of unwanted signals onto the transmission signal
  3. 7. Prevents impulse noise and cross-talk
  4. 10. Comes from sources such as motors and appliances
  5. 12. Actual data transfer rate after interference
  6. 13. Overcomes attenuation
  7. 15. Any change (form or shape) in a signal during signal transmission
  8. 17. Information that is continuous
  9. 18. 0 1
  10. 19. Effect of one wire on the other
  11. 23. A spike (a signal) with high energy in a very short time
Down
  1. 1. Noise that cannot be eliminated
  2. 2. Have a very defined, discrete set of possible values — usually only two
  3. 5. Time routers take to process the packet header
  4. 6. Information that has discrete states
  5. 8. Variation of delay time
  6. 9. Moves data in the form of signals across a transmission medium
  7. 11. Electromagnetic (EM) representation of data
  8. 14. Piece of information formatted in human/machine readable form
  9. 16. Theoretical data transfer rate possible
  10. 20. Condition that causes information to be lost in a signal
  11. 21. Reduction of signal strength during transmission
  12. 22. How fast things are done