NCF Topic 4 - Network Communication Devices

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Across
  1. 4. Used in networks to regenerate analog or digital signals distorted by transmission loss.
  2. 5. Considered physical layer(layer 1) devices because they only generate the signal and broadcast it out to all of their ports.
Down
  1. 1. A network device that forwards data packets between computer networks using the WAN port.
  2. 2. modulates and demodulates analogue signals to digital and vice versa.
  3. 3. Determines the source and destination MAC addresses of each frame and forwards data only to the specific devices.
  4. 6. Joins subnets together but does not route packets over the WAN.