Which of the following are not part of the 400G originating modulation technology?

• A.High-order modulation (xQAM)
• B.Multi-carrier generation and multiplexing
• C.FDDM/Nyquist spectrum compression technology
• D.Advanced oDSP algorithm

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Which of the following is the data that needs to be collected and saved in the event of a failure? (Multiple Choice)

• A.Operation log of the network management
• B.Running status data of the NE and the board
• C.Configuration data for network elements and boards
• D.Equipment alarms and performance events

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When using the OSN8800 T32, if you want to set the ID number of the master and slave sub-racks, which board should be set?

• A.EFI
• B.SCC
• C.EFI1
• D.EFI2

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The following is the client-side logical port of the board in the standard mode.

• A.n(Nn/OUTn)-OCH: 1-ODUk: m-ODUp:a
• B.ClientLP-n
• C.RX/TX-n
• D.ODUkLP-n

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In the electrical layer overhead processing-sink function, the signal flow is from the OCh to the client direction, the PM ODUkP is detected first, and then the TCM ODUkT is detected.

• A.FALSE
• B.TRUE

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