Huawei
H31-341_V2.5 · Question #183
H31-341_V2.5 Question #183: Real Exam Question with Answer & Explanation
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Question
Which of the following statements about the safe use of optical fiber is wrong?
Options
- AWhen the received optical power is too high, an optical attenuator is required
- BThe light emitted by the laser is infrared light and is not strong, so you can point the connector at the
- CTo clean the optical fiber connector and the optical interface of the laser, special cleaning tools and
- DThe optical subtractor can only be added to the "IN" port, not to the "OUT" port
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