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質問 1：
Which of the following does not belong to the network management side network layer data?
A. Path information
B. Protecting subnet information
C. Uploaded configuration data
D. Cable connection information between network elements
正解：C
質問 2：
The application of the FEC-enabled wavelength conversion board in the DWDM system can improve the signal-to-noise ratio.
A. False
B. True
正解：A
質問 3：
Which of the following transmission equipment units/interfaces provides the function of connecting the customer side equipment?
A. Line unit / NNI interface
B. Main control unit
C. Cross/exchange unit
D. Branch unit / UNI interface
正解：D
質問 4：
The signal-to-noise ratio is an important factor in the limitation of the DWDM system. The root cause of the noise is which of the following boards is used in the system?
A. Light forwarding board
B. Combine/demultiplexer
C. EDFA amplifier board
D. Raman magnifying board
正解：C
質問 5：
Always wear an antistatic wrist strap when touching the board and equipment to avoid damaging the device.
A. False
B. True
正解：B
質問 6：
Which of the following options is not the cause of the R-LOS alarm?
A. Broken fiber
B. The starter laser is damaged
C. Frame failure
D. Line attenuation is too large
正解：C
質問 7：
You need to add a board to the NE board bitmap. Add a board to add a physical board that is physically located on the NE. You cannot add a logical board that does not exist on the actual device.
A. False
B. True
正解：A
質問 8：
When the optical power adjustment mode is set to the automatic mode, the user is allowed to adjust the attenuation of the attenuator.
A. False
B. True
正解：A
Which of the following does not belong to the network management side network layer data?
A. Path information
B. Protecting subnet information
C. Uploaded configuration data
D. Cable connection information between network elements
正解：C
質問 2：
The application of the FEC-enabled wavelength conversion board in the DWDM system can improve the signal-to-noise ratio.
A. False
B. True
正解：A
質問 3：
Which of the following transmission equipment units/interfaces provides the function of connecting the customer side equipment?
A. Line unit / NNI interface
B. Main control unit
C. Cross/exchange unit
D. Branch unit / UNI interface
正解：D
質問 4：
The signal-to-noise ratio is an important factor in the limitation of the DWDM system. The root cause of the noise is which of the following boards is used in the system?
A. Light forwarding board
B. Combine/demultiplexer
C. EDFA amplifier board
D. Raman magnifying board
正解：C
質問 5：
Always wear an antistatic wrist strap when touching the board and equipment to avoid damaging the device.
A. False
B. True
正解：B
質問 6：
Which of the following options is not the cause of the R-LOS alarm?
A. Broken fiber
B. The starter laser is damaged
C. Frame failure
D. Line attenuation is too large
正解：C
質問 7：
You need to add a board to the NE board bitmap. Add a board to add a physical board that is physically located on the NE. You cannot add a logical board that does not exist on the actual device.
A. False
B. True
正解：A
質問 8：
When the optical power adjustment mode is set to the automatic mode, the user is allowed to adjust the attenuation of the attenuator.
A. False
B. True
正解：A
大向** -
H31-331学習教材がなければ、どのようにH31-331試験をパスするかわからないです。再び感謝の意を申し上げます。