At which layer of ISO/OSI does the fiber optics work? A. Network layer B. Transport layer C. Data link layer D. Physical layer
Correct Answer: D
Explanation:
The Answer: Physical layer The Physical layer is responsible for the transmission of the data through the physical medium. This includes such things as cables. Fiber optics is a cabling mechanism which works at Physical layer of OSI model
All of the other answers are incorrect.
The following reference(s) were/was used to create this question: Shon Harris all in one -Chapter 7 (Cabling)
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