Networking Chapter 3

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Across
  1. 4. A LED is a two-lead semiconductor light source that emits visible light when an electric current passes through it.(full name)
  2. 6. The demarcation point, commonly referred to as the ******, is the line that marks the boundary between the telecommunications equipment and your private network or telephone system.
  3. 7. ***** ****** permit circuits to be arranged and rearranged by plugging and unplugging respective patch cords on a mounted hardware assembly.
  4. 9. A device that connects one group of wires to another through a system of metal pegs.
  5. 10. Part of a building that provides a pathway for the airflow needed by heating and air conditioning systems, such as above a dropped ceiling or below a raised floor.
Down
  1. 1. This is a technology that allows a single cable to provide both data and electrical power to devices such as wireless access points, IP cameras, and VoIP phones.
  2. 2. An area that connects multiple floors where cables can be run. This area cannot be a plenum space.
  3. 3. Wavelength Division Multiplexing joins several light wavelengths (colors) onto a single strand of fiber by using different wavelengths of laser light. (Acronym)
  4. 5. A frame or rack that is used to interconnect and manage telecommunication wiring in a building. (Acronym)
  5. 8. An unwanted transfer of signals between communication channels.