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Huawei Certified Network Professional-Building Carrier OTN Transmission Network Sample Questions:
1. OTU is one of the important components of the WDM system. Which of the following is wrong about OTU?
A) -20dB spectral width, side mode suppression ratio, center wavelength, frequency offset, etc. are all important parameters or indicators to measure the OTU wave side transmitter.
B) The greater the dispersion tolerance of the transmitter, the farther the signal can transmit without dispersion compensation.
C) The most basic function of the originating OTU is to perform wavelength conversion to convert the wavelength of the signal that is not suitable for WDM system transmission to the wavelength that meets the transmission requirements of the WDM system.
D) Sensitivity and overload point are important parameters/indicators for measuring the OTU receiver. The sensitivity of the PIN receiver is better than that of the APD.
2. Optical power is an important factor affecting the transmission distance of the system in the WDM system.
Which of the following alarms is not possible when the optical power is abnormal?
A) TF
B) ODU_SNCP_PS
C) OTUk_SSF
D) POWER_FAIL
3. On the professional network management, a board in the transmission device is light green. Which of the following is true for the meaning of its representative?
A) The board status is abnormal.
B) The physical board is not in place.
C) The logical board is not created.
D) The physical board and the logical board are inconsistent.
4. After the NE database is restored, the data of the CF card is sent to the SCC and is sent to other boards.
A) True
B) False
5. Which of the following are part of the WDM system commissioning work? (multiple choice)
A) Test error
B) Cabinet installation
C) Optical power commissioning
D) Commissioning feature
E) Commissioning protection
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: B | Question # 5 Answer: A,C,D,E |
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