CompTIA
220-1201 · Question #227
Which of the following allows for a beam of light to transmit data through a flexible cable?
The correct answer is D. Single-mode fiber. Single-mode fiber (as well as multi-mode fiber) transmits data using beams of light, allowing for high-speed data transfer over flexible fiber-optic cables.
Submitted by katya_ua· Mar 30, 2026
Question
Which of the following allows for a beam of light to transmit data through a flexible cable?
Options
- ACoaxial
- BHDMI
- CThunderbolt
- DSingle-mode fiber
How the community answered
(56 responses)- A2% (1)
- B2% (1)
- C5% (3)
- D91% (51)
Explanation
Single-mode fiber (as well as multi-mode fiber) transmits data using beams of light, allowing for high-speed data transfer over flexible fiber-optic cables.
Topics
#Fiber optics#Single-mode fiber#Cable types#Network media
Community Discussion
No community discussion yet for this question.