Wired networking

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Across
  1. 3. What uses optical fiber cables?
  2. 4. What has 8 colored wires?
  3. 7. What are unauthorized users going to run into while trying to intercept data?
  4. 10. What is there less of while using wired networking?
Down
  1. 1. What uses twisted-pair cables?
  2. 2. What is faster when using wired networking?
  3. 5. What uses coaxial cables?
  4. 6. What is made of glass?
  5. 8. How many wired transmission types are there?
  6. 9. How many wired media types are there?
  7. 11. How many Cat types are there?