CompTIA Network+

Category - Install & Configure

The cables that lead from patch panels (in the wall) to computers and are placed above ceiling tiles are called:
  1. STP cables.
  2. Coaxial cables.
  3. Plenum cables.
Explanation
Answer: C - The word plenum refers to an air-filled space in a structure, especially one that receives air from a blower for distribution (as in a ventilation system).
Key Takeaway: A plenum cable is a type of CAT5e cable that has a jacket that meets specific ANSI requirements to be flame retardant and have low smoke production.
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