Activity - Crossword

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Across
  1. 3. They translate digital signals from a computer into analog signals that can travel across conventional phone lines.
  2. 5. Dedicated transoceanic cabling or satellite uplinks may be used to connect this type of network.
  3. 8. These devices are supported on a best-effort basis limited by the staffing and equipment level available.
  4. 10. Small physical devices that join multiple networks together.
  5. 11. A small, simple, inexpensive device that joins multiple computers together.
Down
  1. 1. Protects a computer network from unauthorized access.
  2. 2. A network that is confined to a relatively small area.
  3. 4. Consists of a small electronic circuit board that is inserted into a slot inside a computer or printer.
  4. 6. Can be implemented completely in software, completely in hardware, or as a combination of both.
  5. 7. A device filters data traffic at a network boundary. Bridges reduce the amount of traffic on a LAN by dividing it into two segments.
  6. 9. A device that gathers the signals from devices that are connected to it, and then regenerates a new copy of each signal.