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Huawei Exam H31-311 Topic 7 Question 81 Discussion

Actual exam question for Huawei's H31-311 exam
Question #: 81
Topic #: 7
[All H31-311 Questions]

Which of the following maintenance signals is transmitted from a downstream site to an upstream site in OTN?

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Suggested Answer: D

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Leslie
5 months ago
Got it, thanks for the explanation. I'll go with A) ATS then.
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Mariann
5 months ago
So, the correct answer should be A) ATS because it's the signal transmitted in that direction for maintenance purposes.
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Jame
5 months ago
You're correct, Leslie. LCK is also a maintenance signal, but it's not transmitted from downstream to upstream.
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Leslie
5 months ago
But isn't LCK also a maintenance signal in OTN? I think it's B) LCK.
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Mariann
6 months ago
I agree with you, Jame. ATS is indeed transmitted from downstream to upstream.
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Jame
6 months ago
I think the correct answer is A) ATS.
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