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H31-311_V2.5 · Question #344
H31-311_V2.5 Question #344: Real Exam Question with Answer & Explanation
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Question
The wavelength division system mainly uses DCM compensation to compensate for chromatic dispersion. Which of the following descriptions about DCM dispersion compensation is wrong?
Options
- ADCM modules are more likely to cause nonlinearity than line transmission fibers, so the optical
- BFor 10G systems with line fiber lengths of less than 400 km, G.652 DCM can be used to
- C655 (LEAF).
- DImproper DCM configuration will lead to degradation of receiving end performance.
- EImproper DCM configuration will cause the system signal-to-noise ratio to deteriorate.
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