You work for a small city IT department and you are helping

You work for a small city IT department, and you are helping to string network cable for a new building under construction. The cables lead from the various patch panels in the walls and are used by computers; they travel to the server room by way of the empty space above the ceiling tiles, that also contains the air conditioning and heating ducts. What is this cable type called?

A. Coaxial

B. Plenum

C. STP

D. UTP

Solution

B. Plenum cable is named for the plenum space used to string the cable from network ports, up above the ceiling tiles, to the server room or network closet. Plenum cable must meet specific standards such as being jacketed in fire retardant plastic or low-smoke polyvinyl chlorine (PVC).