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4A0-205 by Nokia - Page 1 | ExamCademy

A FlexGrid allows a more efficient channel spacing.

B Channels in FlexGrid systems are allocated with a granularity of 27.5 GHz.

C FlexGrid systems use specific sets of boards. Old generation WDM systems need to be upgraded to support FlexGrid.

D The FlexGrid is currently standardized by ITU-T.

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