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Cisco 500-210 Exam - Topic 1 Question 39 Discussion

Which technology allows 100G transponders to accept multiple wavelengths at their input, without requiring demultiplexing of the composite signal?
C) coherent reception
A) QPSK modulation
B) forward error correction
D) dual polarization modulation

Cisco 500-210 Exam - Topic 1 Question 39 Discussion

Actual exam question for Cisco's 500-210 exam
Question #: 39
Topic #: 1
[All 500-210 Questions]

Which technology allows 100G transponders to accept multiple wavelengths at their input, without requiring demultiplexing of the composite signal?

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Suggested Answer: C

by Lashawnda at May 31, 2022, 07:30 PM

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Adell
10 months ago
Dual polarization modulation plays a role too, but not the answer.
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Amber
10 months ago
QPSK modulation is also important, but not the main answer.
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Nakisha
10 months ago
Wait, are we sure about that? Sounds too good to be true.
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Johnna
11 months ago
Totally agree, it's all about that coherent tech.
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Arlie
11 months ago
Coherent reception is the key here!
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Luann
11 months ago
Forward error correction seems more about error handling than wavelength acceptance, so I don't think that's it.
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Mary
11 months ago
I practiced a similar question, and I think dual polarization modulation could be involved, but I'm leaning towards coherent reception.
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Nydia
11 months ago
I'm not entirely sure, but I remember something about QPSK modulation being related to bandwidth efficiency.
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Merlyn
11 months ago
I think coherent reception might be the right answer since it deals with multiple wavelengths without needing demultiplexing.
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Lorita
11 months ago
Hmm, I'm not so sure the AppExchange is the best option. I feel like the Flow Builder or maybe even the Lightning Object Creator could have some useful prebuilt resources as well. I'll need to review the options carefully.
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Shanda
11 months ago
Hmm, this is a tricky one. I'll need to think through the key differences between RDS and a self-built database to figure out which statement is wrong.
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