The following steps add pointers

• A.VC-3 to TU-3 process
• B.C-12 to VC-12 process
• C.TUG2 to TUG3 process
• D.TUG3 to VC4 process

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The following features can adjust the bandwidth on demand in the application of Ethernet networking, dynamically increase and decrease the members in the VCTRUNK without affecting the business. When a virtual concatenation group member fails, the bandwidth can be quickly adjusted to ensure normal data transmission; when the failed member is restored, the original bandwidth of the virtual concatenation group is automatically restored.

• A.DLAG
• B.LCAS
• C.QoS
• D.LAG

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The reason for reporting the BEFFEC_EXC alarm is that the following statement is wrong

• A.This alarm will not be reported in AFEC mode.
• B.The FEC mode settings of the OTU at both ends are incorrect.
• C.The signal has too much loss in line transmission.
• D.The input optical power of the OTU board is too high or too low

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Which of the following functions can the PTN equipment handle the GE optical interface of the single board through the Ethernet? (multiple choice)

• A.Docking with ODUk interface
• B.Interfacing with customer equipment
• C.Realize IEEE 1588 V2 synchronization
• D.Realize physical layer synchronization
• E.Docking with STM-N interface
• F.Docking with PTN equipment

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Which of the following descriptions of the 100G system protection configuration is correct ()?

• A.TTX board can support tributary SNCP protection only when the client side accesses 10GE LAN services
• B.40G/100G coherent relative to 40G eDQPSK on-board 1+1 protection, the protection channel does not require additional configuration of TDC boards
• C.When the scheduling particle of the NS4 board is ODUflex, it can support ODUk ring network protection
• D.When using OLP or DCP with LSC board to achieve 1+1 protection on the board, the switching mode can be set to single-ended switching or double-ended switching

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