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Nokia 4A0-205 Exam - Topic 5 Question 10 Discussion

What is the meaning of first, second, and third window in the optical fiber propagation context?
A) These windows correspond to three different minimum and maximum optical power levels used for optical transmission.
B) These windows are three different wavelength intervals where the WDM optical transmission occurs.
C) These three windows are three different angles of incidence of the light injected by the laser into the fiber.
D) Different optical transmission windows correspond to different safety requirements and rules for the related lasers operating with these windows.

Nokia 4A0-205 Exam - Topic 5 Question 10 Discussion

Actual exam question for Nokia's 4A0-205 exam
Question #: 10
Topic #: 5
[All 4A0-205 Questions]

What is the meaning of first, second, and third window in the optical fiber propagation context?

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Suggested Answer: A

A star topology is a network design where all devices are connected to a central hub, which acts as a central point of control and management for the network. This type of topology is commonly used in access networks, where a central node is used to aggregate traffic from multiple users or devices, and then forward it to the core network. This design allows for efficient use of resources and easy management of the network.


'Computer Networking: A Top-Down Approach' by James Kurose and Keith Ross (Chapter 3)

'Data Communications and Networking' by Behrouz A. Forouzan (Chapter 2)

by Dominque at May 25, 2023, 06:18 PM

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Izetta
6 months ago
Definitely wavelength intervals, that's standard knowledge in fiber optics.
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Amber
7 months ago
I thought it was about angles of incidence, but I guess not!
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Ruthann
7 months ago
Wait, are we sure it's not about power levels? Sounds off.
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Mose
7 months ago
Totally agree, it's all about those wavelength ranges!
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Lezlie
7 months ago
The first, second, and third windows are about wavelength intervals for WDM.
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Anika
8 months ago
I don't think it's about safety requirements; it feels more related to the wavelengths used in fiber optics.
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Tyra
8 months ago
I vaguely recall something about angles of incidence, but that doesn't seem right for this context.
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Rebbecca
8 months ago
I think the first, second, and third windows refer to the WDM optical transmission, similar to a practice question we did on wavelength division multiplexing.
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Stacey
8 months ago
I remember studying about the different wavelength intervals, but I'm not entirely sure if they were specifically called windows.
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Monte
8 months ago
Hmm, this seems like a specific hardware question. I'll need to review the Arista 7300 series documentation to find the answer.
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Mabelle
8 months ago
Ah, this is a good one. I'll draw on my knowledge of the Scrum framework and the definition of done to determine the best answer.
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Ivette
1 year ago
I'm with Justine on this one. B is the way to go. The wavelength windows are the key concept here, not power levels or laser safety. Easy peasy!
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Beckie
1 year ago
Haha, I almost picked C just to be different, but that's just silly. The first, second, and third windows are all about the wavelengths, not the angles of the light injection. These optical fiber questions can get tricky!
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Malissa
12 months ago
D) Different optical transmission windows correspond to different safety requirements and rules for the related lasers operating with these windows.
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Mona
1 year ago
B) These windows are three different wavelength intervals where the WDM optical transmission occurs.
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Clarinda
1 year ago
A) These windows correspond to three different minimum and maximum optical power levels used for optical transmission.
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Precious
1 year ago
Hmm, I was a bit unsure between B and D, but B makes more sense. The different wavelength windows have their own specific safety requirements, so D is not the complete answer.
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Dorian
1 year ago
User 3: Yeah, I was also leaning towards B. It just fits better with the concept of different optical transmission windows.
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Coletta
1 year ago
User 2: I agree, B seems to be the most logical choice considering the context of optical fiber propagation.
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Billye
1 year ago
User 1: I think B is the correct answer. It makes sense that different wavelength intervals have specific safety requirements.
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Justine
1 year ago
Well, the answer is clearly B. These windows refer to the different wavelength intervals used for WDM transmission over optical fibers. I don't know how anyone could confuse that with power levels or laser angles.
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Ligia
1 year ago
User 2: No, it's actually B. The windows refer to wavelength intervals for WDM transmission.
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Ligia
1 year ago
User 1: I think the answer is A. It's about optical power levels.
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Celeste
1 year ago
That makes sense, as different power levels could require different windows for optimal transmission.
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Gayla
1 year ago
I believe these windows correspond to different minimum and maximum optical power levels used for optical transmission.
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Celeste
1 year ago
I think the first, second, and third windows in optical fiber propagation refer to different wavelength intervals.
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Chery
1 year ago
I believe the correct answer is B) These windows are three different wavelength intervals where the WDM optical transmission occurs. This makes the most sense in the context of optical fiber propagation.
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Clarence
1 year ago
I agree with Jose. These windows are where the WDM optical transmission occurs, allowing for multiple signals to be sent simultaneously.
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Jose
1 year ago
I think the first, second, and third window in optical fiber propagation context refer to different wavelength intervals.
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