Which transmission medium has all of the following characteristics? It has…
2017
Which transmission medium has all of the following characteristics?
It has much greater bandwidth than other transmission media.
It allows longer transmission distance.
It is immune to electromagnetic interference.
It is much thinner and lighter than other cable media.
- A.
CAT 5/CAT 6 cable
- B.
Optical fiber
- C.
Coaxial cable
- D.
Twisted pair cable
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Show answer & explanation
Correct answer: B
Correct answer: Optical fiber
High bandwidth: optical fiber carries data as light and supports very high data rates.
Long distance: it has low attenuation, so signals can travel farther before amplification is needed.
EMI immunity: glass/plastic fiber is dielectric and does not pick up electromagnetic noise like copper cables.
Thin and light: fiber is thinner and lighter than copper cable media for comparable capacity.
Therefore, all the listed characteristics apply to optical fiber.