N10-005 · Question #922
Which of the following cables would BEST be used to extend a network through an 80 feet (262 meters) machine shop that has many high voltage machines and generators running?
The correct answer is D. Fiber. High-voltage machines and generators produce significant electromagnetic interference (EMI). Fiber optic cable transmits data as light pulses through glass or plastic, making it completely immune to EMI and radio frequency interference (RFI). All copper-based cables-including…
Question
Which of the following cables would BEST be used to extend a network through an 80 feet (262 meters) machine shop that has many high voltage machines and generators running?
Options
- ACAT5
- BCAT6
- CCoaxial
- DFiber
How the community answered
(42 responses)- A5% (2)
- B14% (6)
- C5% (2)
- D76% (32)
Explanation
High-voltage machines and generators produce significant electromagnetic interference (EMI). Fiber optic cable transmits data as light pulses through glass or plastic, making it completely immune to EMI and radio frequency interference (RFI). All copper-based cables-including CAT5, CAT6, and coaxial-are susceptible to EMI, which can corrupt data signals in environments with heavy electrical machinery. Additionally, fiber supports long distances well beyond 80 feet. Fiber is the only viable choice in this high-EMI industrial environment.
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