A company is installing network cables above the ceiling tiles. The cables must be fire rated. Which of the following cable types should the company use?

The correct answer is B. Plenum. Plenum-rated cable is fire‑rated and produces low smoke, making it suitable for installation in ceiling plenums.

Submitted by daniela_cl· Mar 6, 2026Network Implementation

Question

Options

ACoaxial
BPlenum
CCrossover
DSTP

How the community answered

(33 responses)

A
6% (2)
B
88% (29)
C
3% (1)
D
3% (1)

Explanation

Plenum-rated cable is fire‑rated and produces low smoke, making it suitable for installation in ceiling plenums.

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