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Across
  1. 4. Jack 45 it is an 8-pin connector which often connects a computer to a Local Area Network (LAN)
  2. 5. twisted Pair a type of copper wiring commonly used in LAN.
Down
  1. 1. optic cable is used for long-distance and high-performance data networking
  2. 2. cable is used as a transmission line for radio frequency signals.
  3. 3. Twisted Pair a special type of cabling that acts as a conducting shield by covering the four pairs of signal-carrying wires as a means to reduce electromagnetic interference