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Huawei Exam H31-311 Topic 3 Question 21 Discussion

Actual exam question for Huawei's H31-311 exam
Question #: 21
Topic #: 3
[All H31-311 Questions]

Automatic laser shutdown (ALS); When no optical signal is received, the ALS function automatically shuts down the corresponding optical module. This function protects onsite maintenance personnel.

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Suggested Answer: A

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