IP addressing and network hardware

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Across
  1. 2. A network security system that monitors and controls incoming and outgoing network traffic.
  2. 4. A unique identifier assigned to a network interface controller (NIC).
  3. 6. A device that forwards data packets between computer networks.
  4. 7. A device that modulates and demodulates analog signals to digital signals and vice versa.
  5. 9. A device that connects multiple computers or other network devices.
  6. 11. A computer network that connects devices within a limited geographical area.
Down
  1. 1. A device that connects one network to another.
  2. 3. A unique numerical label assigned to each device on a computer network.
  3. 5. A simple network device that broadcasts data packets to all connected devices.
  4. 8. A protocol that automatically assigns IP addresses to devices on a network.
  5. 10. A computer network that connects devices over a large geographic area.