Huawei
H31-311_V2.5 · Question #77
In OTN, which of the following maintenance signals is transmitted from the downstream site to the upstream site?
The correct answer is D. BDI. See the full explanation below for the reasoning.
WDM/OTN Principles
Question
In OTN, which of the following maintenance signals is transmitted from the downstream site to the upstream site?
Options
- AAIS
- BLCK
- CIAE
- DBDI
How the community answered
(18 responses)- A11% (2)
- C6% (1)
- D83% (15)
Topics
#OTN maintenance signals#BDI#signal direction#upstream downstream
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