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質問 1：
Which of the following is the WDM system commissioning work? (multiple choice)
A. Commissioning feature
B. Test error
C. Commissioning protection
D. Cabinet installation
E. Optical power commissioning
正解：A,B,C,E
質問 2：
Which of the statements about the dispersion compensation module is wrong?
A. The system retains proper dispersion, which can effectively avoid the occurrence of four-wave mixing
B. Dispersion compensation is a random value, independent of cable length
C. The inside of the module is DCF (with dispersion inverse characteristic) pigtail
D. DCM80 indicates that the module can compensate 80KM dispersion value
正解：B
質問 3：
Which of the following measures does not effectively improve the signal-to-noise ratio of the system?
A. Power amplifier with high saturation output
B. Use better quality fiber optic cable
C. Turn off the FEC error correction function of the service board.
D. Using optical-electric-optical relay boards
正解：C
質問 4：
What are the main methods for suppressing nonlinear effects in the WDM system? (multiple choice)
A. Advanced light source technology
B. Improve the optical power of the transmitter signal
C. Good dispersion management
D. Control signal optical power
E. Use large effective area fiber as the transmission medium
正解：A,C,D,E
質問 5：
The following describes the source function of the electrical layer overhead processing unit, which is correct.
A. OTUk layer writes bytes such as SM and GCC1
B. If TCM (ODUkT) is enabled in the ODUk layer, the write of the ODUkT overhead is written before the ODUk overhead is written.
C. OPUk performs client signal mapping, frequency adjustment and rate adaptation in the receiving direction
D. The ODUk layer is responsible for the calculation and writing of TTI, BDI, STAT and BIP-8 of the ODUkP layer PM.
正解：D
質問 6：
What are the prerequisites for creating a single station optical crossover? (multiple choice)
A. Configured boundary ports
B. The creation of the internal logic fiber of the single station on the network management system has been completed.
C. Create a single station optical crossover to ensure that the wavelength used for optical crossover is not occupied by the single board optical crossover.
D. Configure the optical power adjustment mode to "manual"
正解：A,B,C
質問 7：
When creating an electrical path, (Client, ODUK, ODUflex) may cause the route calculation to fail. (multiple choice)
A. The routing constraints cannot be met.
B. Routing resources are not available.
C. The optical power attenuation on the service layer path OCH is too large.
D. The service cannot be created between ports.
正解：A,B,D
質問 8：
Which of the following is an electrical layer particle that the TSXL veneer can cross.
A. ODU3
B. ODU4
C. ODU1
D. ODU2
正解：A
Which of the following is the WDM system commissioning work? (multiple choice)
A. Commissioning feature
B. Test error
C. Commissioning protection
D. Cabinet installation
E. Optical power commissioning
正解：A,B,C,E
質問 2：
Which of the statements about the dispersion compensation module is wrong?
A. The system retains proper dispersion, which can effectively avoid the occurrence of four-wave mixing
B. Dispersion compensation is a random value, independent of cable length
C. The inside of the module is DCF (with dispersion inverse characteristic) pigtail
D. DCM80 indicates that the module can compensate 80KM dispersion value
正解：B
質問 3：
Which of the following measures does not effectively improve the signal-to-noise ratio of the system?
A. Power amplifier with high saturation output
B. Use better quality fiber optic cable
C. Turn off the FEC error correction function of the service board.
D. Using optical-electric-optical relay boards
正解：C
質問 4：
What are the main methods for suppressing nonlinear effects in the WDM system? (multiple choice)
A. Advanced light source technology
B. Improve the optical power of the transmitter signal
C. Good dispersion management
D. Control signal optical power
E. Use large effective area fiber as the transmission medium
正解：A,C,D,E
質問 5：
The following describes the source function of the electrical layer overhead processing unit, which is correct.
A. OTUk layer writes bytes such as SM and GCC1
B. If TCM (ODUkT) is enabled in the ODUk layer, the write of the ODUkT overhead is written before the ODUk overhead is written.
C. OPUk performs client signal mapping, frequency adjustment and rate adaptation in the receiving direction
D. The ODUk layer is responsible for the calculation and writing of TTI, BDI, STAT and BIP-8 of the ODUkP layer PM.
正解：D
質問 6：
What are the prerequisites for creating a single station optical crossover? (multiple choice)
A. Configured boundary ports
B. The creation of the internal logic fiber of the single station on the network management system has been completed.
C. Create a single station optical crossover to ensure that the wavelength used for optical crossover is not occupied by the single board optical crossover.
D. Configure the optical power adjustment mode to "manual"
正解：A,B,C
質問 7：
When creating an electrical path, (Client, ODUK, ODUflex) may cause the route calculation to fail. (multiple choice)
A. The routing constraints cannot be met.
B. Routing resources are not available.
C. The optical power attenuation on the service layer path OCH is too large.
D. The service cannot be created between ports.
正解：A,B,D
質問 8：
Which of the following is an electrical layer particle that the TSXL veneer can cross.
A. ODU3
B. ODU4
C. ODU1
D. ODU2
正解：A
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