642-321 Cisco Optical SDH Exam (SDH) Training Boot Camp

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642-321 Cisco Optical SDH Exam (SDH)

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Demo Question 8.

What is the phenomenon called where different wavelengths of light travel at different speeds?

A. OSNR
B. Dispersion
C. Light skew
D. attenuation

Display Answer

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Answer: B

Explanation:

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