Huawei
H31-311_V2.5 · Question #424
Self-healing means that when a network failure occurs, the network automatically recovers from the failure in a very short time (ITU-T stipulates that it is within ()) without human intervention, so…
The correct answer is B. 50 ms. See the full explanation below for the reasoning.
SDH Transmission Principles
Question
Self-healing means that when a network failure occurs, the network automatically recovers from the failure in a very short time (ITU-T stipulates that it is within ()) without human intervention, so that users can hardly feel that the network has failed.
Options
- A100 ms
- B50 ms
- C20 ms
- D200 ms
How the community answered
(43 responses)- A14% (6)
- B74% (32)
- C5% (2)
- D7% (3)
Topics
#self-healing ring#protection switching#50ms recovery#ITU-T standard
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