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SSCP · Question #1018
SSCP Question #1018: Real Exam Question with Answer & Explanation
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Submitted by anjalisingh· Apr 18, 2026Network and Communications Security
Question
At which layer of ISO/OSI does the fiber optics work?
Options
- ANetwork layer
- BTransport layer
- CData link layer
- DPhysical layer
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Topics
#OSI Model#Physical Layer#Fiber Optics#Networking Fundamentals