Which of the following trails can be configured on the NMS.

• A.OTS
• B.OCh
• C.client
• D.ODUk

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The optical monitoring channel wavelength used by the ST2 board is: (Multiple choice)

• A.1491nm
• B.1511nm
• C.1471nm
• D.1510nm

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The packet protection features supported by the OSN 1800V include _______. (Multiple choice)

• A.Tunnel APS
• B.TPS
• C.LAG
• D.PW APS

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Which of the following meters/boards can be used to test the OSR metrics for 10G systems? (Multiple Choice)

• A.MCA8
• B.SDH Analyzer
• C.Spectrum Analyzer
• D.Optical power meter

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Which of the following reasons may cause a business error? (Multiple choice)

• A.The optical power of the incoming fiber is too high or too low
• B.The temperature in the equipment room is too high
• C.Transmitting laser performance degradation of the originating OTU board
• D.Dispersion compensation is unreasonable, such as under- or over-compensation
• E.The tail wire connector is seriously polluted

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