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Nokia 4A0-255 Exam - Topic 12 Question 49 Discussion

Actual exam question for Nokia's 4A0-255 exam

Question #: 49
Topic #: 12

[All 4A0-255 Questions]

Which of the following statements about Raman amplification is FALSE?

AAmplification occurs along the fiber

BChromatic dispersion within the fiber is increased.

CFlat gain can be achieved in any transmission band.

DOSNR is improved compared to EDFAs permitting lingers spans

Show Suggested Answer

Suggested Answer: D

by Delmy at Sep 08, 2024, 03:44 AM

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Long

9 months ago

I thought chromatic dispersion was reduced, not increased!

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Noe

9 months ago

Wait, are we sure about B? Sounds weird.

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German

10 months ago

C seems off, flat gain isn't always possible.

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Brunilda

10 months ago

Totally agree, D is misleading.

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Cyndy

10 months ago

A is true, amplification happens in the fiber.

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Gene

10 months ago

I feel like B could be the false one since I recall that Raman amplification can help manage chromatic dispersion.

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Irma

11 months ago

I practiced a question about the benefits of Raman vs. EDFAs, and I think D is true since it improves OSNR.

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Diane

11 months ago

I’m not sure about C; I think flat gain might not be achievable in all bands.

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Vi

11 months ago

I remember that Raman amplification happens along the fiber, so A should be true.

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Kristeen

11 months ago

I'm pretty confident I know this topic well. Raman amplification does not increase chromatic dispersion, and it can provide flat gain in specific transmission bands. The OSNR improvement compared to EDFAs is also a key advantage. I think option C is the false statement here.

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Curt

11 months ago

Okay, let me think this through. Raman amplification provides gain along the fiber, but I'm not sure if it increases chromatic dispersion. The flat gain and OSNR improvements compared to EDFAs sound plausible, but I'll need to double-check those.

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Elfriede

11 months ago

Hmm, I'm a bit unsure about this one. I know Raman amplification involves gain along the fiber, but I'm not sure about the specifics of chromatic dispersion, gain flatness, and OSNR compared to EDFAs.

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Freeman

11 months ago

This question seems straightforward, I just need to carefully review the statements about Raman amplification and identify the one that is false.

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Franchesca

11 months ago

Okay, let's see. I'm pretty confident that "Maximum connection" and "Minimum connection" are not supported, since those sound more like connection management methods. "Polling" also doesn't seem like a load method, so I'll go with that.

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Laurel

1 year ago

The correct answer is Option C. Flat gain in any transmission band? Yeah, right. I'd like to see that happen without a magic wand.

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Catalina

1 year ago

Option A is the wrong one. Raman amplification is distributed along the fiber, not discrete like EDFAs. Come on, this is Fiber Optics 101!

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Alayna

1 year ago

Definitely, this is basic Fiber Optics knowledge.

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Chau

1 year ago

That's right, it's not discrete like EDFAs.

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Latia

1 year ago

I agree, Raman amplification is distributed along the fiber.

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Aleta

1 year ago

Haha, Option D must be the answer. OSNR improvement? That's like saying I can run a marathon while eating a pizza.

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German

1 year ago

User 3: I agree, improving OSNR that much seems unlikely.

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Dean

1 year ago

User 2: Yeah, it sounds too good to be true.

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Meghann

1 year ago

User 1: I think Option D is definitely false.

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Nu

1 year ago

I think Option C is the incorrect statement. Achieving flat gain across all transmission bands is not possible with Raman amplification.

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Joni

1 year ago

Yes, Raman amplification does not allow for flat gain in all transmission bands.

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Kenia

1 year ago

So, the correct statement about Raman amplification is that flat gain cannot be achieved in any transmission band.

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Dacia

1 year ago

That's true. Raman amplification does not provide flat gain across all transmission bands.

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Shantay

1 year ago

I agree, Option C is incorrect. Flat gain cannot be achieved in any transmission band with Raman amplification.

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Carlota

1 year ago

Option B is definitely false. Raman amplification actually reduces chromatic dispersion in the fiber, not increase it.

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Azalee

1 year ago

Yes, that's correct. Raman amplification can help achieve flat gain and improve OSNR for longer transmission spans.

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Matt

1 year ago

I agree with Felix, because Raman amplification actually reduces chromatic dispersion.

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Felix

1 year ago

I think the false statement is B) Chromatic dispersion within the fiber is increased.

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