When the cross-board is configured with 1+1 hot backup, in the case of normal switching, the replacement of the cross-clock board does not affect the packet service.

• A.FALSE
• B.TRUE

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Which of the following methods can be used to analyze faults in the NG WDM system?

• A.Loopback
• B.RMON
• C.Service Signal Flow Analysis
• D.Replacement

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Which of the following residual dispersion values are within the dispersion tolerance of the TN52ND2 board?

• A.500ps/nm
• B.900ps/nm
• C.700ps/nm
• D.600ps/nm

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Which of the following options can reduce the effects of nonlinear effects in the WDM system? (Multiple Choice)

• A.Using high performance fiber
• B.Dispersion management
• C.Advanced light source technology
• D.Control optical power

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MPLS APS is a network protection mechanism that implements service creation through the detection function of MPLS OAM.

• A.FALSE
• B.TRUE

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