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Nokia 4A0-205 Exam - Topic 6 Question 40 Discussion

Which of the following sentences about FlexGrid is false?
C) FlexGrid systems use specific sets of boards. Old generation WDM systems need to be upgraded to support FlexGrid.
A) FlexGrid allows a more efficient channel spacing.
B) Channels in FlexGrid systems are allocated with a granularity of 27.5GHz.
D) The FlexGrid is currently standardized by ITU-T.

Nokia 4A0-205 Exam - Topic 6 Question 40 Discussion

Actual exam question for Nokia's 4A0-205 exam
Question #: 40
Topic #: 6
[All 4A0-205 Questions]

Which of the following sentences about FlexGrid is false?

Show Suggested Answer Hide Answer
Suggested Answer: C

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.


'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

by Laura at Sep 14, 2024, 05:16 PM

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Yasuko
9 months ago
C sounds right, old systems do need upgrades for FlexGrid.
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Luisa
9 months ago
B is correct, 27.5GHz granularity is a fact.
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Cyril
10 months ago
Wait, is D really standardized? I thought it was still in the works.
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Lacey
10 months ago
I agree, A is definitely true!
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Mike
10 months ago
FlexGrid does allow for more efficient channel spacing.
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Marva
10 months ago
I’m pretty sure that the FlexGrid standardization by ITU-T is a recent development, but I can't recall the exact details.
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Juliann
11 months ago
I practiced a similar question where it mentioned that older WDM systems need upgrades for FlexGrid, so I think that part is true.
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Rosendo
11 months ago
I remember something about the granularity being 50GHz, not 27.5GHz, but I could be mixing it up with another system.
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Mari
11 months ago
I think FlexGrid does allow for more efficient channel spacing, but I'm not completely sure about the specifics.
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Pansy
11 months ago
D seems like the most likely false statement. I don't recall seeing anything about FlexGrid being standardized by ITU-T, so that part seems questionable to me.
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Louisa
11 months ago
The question mentions that FlexGrid systems use specific sets of boards, so I think C might be the false statement. Old WDM systems would need to be upgraded to support the new FlexGrid technology.
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Karl
11 months ago
Hmm, I'm a bit confused about the differences between FlexGrid and traditional WDM systems. I'll need to review the details on channel allocation and standards to decide which one is false.
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Daniel
11 months ago
I'm pretty sure the answer is A, since FlexGrid is supposed to allow more efficient channel spacing compared to older WDM systems.
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Nadine
11 months ago
Okay, let's see. I know free licenses don't support clustering, so I can rule out option A. But the other options seem a bit more complex.
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Georgiana
2 years ago
Actually, I think you're right. The FlexGrid is currently standardized by ITU-T, so that statement must be false.
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Kindra
2 years ago
I disagree, I believe the false statement is about FlexGrid systems using specific sets of boards.
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Lynelle
2 years ago
Ooh, this question is a real flex for the FlexGrid experts! Let's hope we don't get gridlocked on the correct answer.
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Isaiah
2 years ago
D) The FlexGrid is currently standardized by ITU-T.
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Sherell
2 years ago
C) FlexGrid systems use specific sets of boards. Old generation WDM systems need to be upgraded to support FlexGrid.
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Alison
2 years ago
B) Channels in FlexGrid systems are allocated with a granularity of 27.5GHz.
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Kiera
2 years ago
A) FlexGrid allows a more efficient channel spacing.
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Barbra
2 years ago
D is the false statement here. The FlexGrid is standardized by ITU-T, not some other organization.
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Gene
2 years ago
Definitely, D is the false statement. ITU-T is the one that standardizes FlexGrid.
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Cyril
2 years ago
Yes, D is incorrect. ITU-T is the organization that standardizes FlexGrid.
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Eun
2 years ago
I agree, D is the false statement. The FlexGrid is standardized by ITU-T.
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Mitsue
2 years ago
D) The FlexGrid is currently standardized by ITU-T.
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Starr
2 years ago
C) FlexGrid systems use specific sets of boards. Old generation WDM systems need to be upgraded to support FlexGrid.
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Tandra
2 years ago
B) Channels in FlexGrid systems are allocated with a granularity of 27.5GHz.
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Paulina
2 years ago
A) FlexGrid allows a more efficient channel spacing.
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Lavelle
2 years ago
C seems false to me. Old generation WDM systems don't necessarily need to be upgraded to support FlexGrid. The technology can be used in new systems as well.
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Lino
2 years ago
So, the false statement is C.
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Blondell
2 years ago
Yes, D is correct. FlexGrid is currently standardized by ITU-T.
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Benton
2 years ago
FlexGrid is standardized by ITU-T, right?
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Lorrine
2 years ago
I think C is false too. FlexGrid can be used in new systems without upgrading old ones.
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Georgiana
2 years ago
I think the false statement is about FlexGrid allowing a more efficient channel spacing.
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Marget
2 years ago
I'm pretty sure the correct answer is B. The channels in FlexGrid systems are allocated with a granularity of 27.5 GHz, not the other options.
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Barrett
2 years ago
That makes sense. The other options don't seem to match up with how FlexGrid works.
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Barrett
2 years ago
I think you're right. B) Channels in FlexGrid systems are allocated with a granularity of 27.5GHz.
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