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Question 9 - 4A0-205 discussion

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Which of the following sentences about FlexGrid is false?

A.
FlexGrid allows a more efficient channel spacing.
Answers
A.
FlexGrid allows a more efficient channel spacing.
B.
Channels in FlexGrid systems are allocated with a granularity of 27.5GHz.
Answers
B.
Channels in FlexGrid systems are allocated with a granularity of 27.5GHz.
C.
FlexGrid systems use specific sets of boards. Old generation WDM systems need to be upgraded to support FlexGrid.
Answers
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.
Answers
D.
The FlexGrid is currently standardized by ITU-T.
Suggested answer: C

Explanation:

FlexGrid is a flexible grid technology that allows for variable channel spacing and bandwidth allocation. It uses the same sets of boards as the traditional fixed grid systems and it does not require upgrading the old generation WDM systems.

Reference:

"Flexible Grid Optical Networks: From Concepts to Realizations" by Diomidis S. Michalopoulos and George K. Karagiannidis "Flexible Grid and Flexible Spectrum Optical Networks" by Diomidis S. Michalopoulos and George K.

Karagiannidis

"Flexible Grid Optical Networks" by Diomidis S. Michalopoulos and George K. Karagiannidis

asked 23/09/2024
CHING SHENG WU
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