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← TechnologyWhich consequence results when guard bands are insufficient within a DWDM system?
A)Adjacent channels experience crosstalk✓
B)Dispersion compensation diminishes considerably
C)Increased bit error rate results
D)Polarization mode dispersion increases
💡 Explanation
With insufficient optical guard bands, the tails of adjacent channel spectra overlap, causing crosstalk because of wavelength division multiplexing; therefore, data corruption occurs rather than decreased dispersion compensation linked to fiber imperfections.
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