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Huawei Certified Network Professional-Building Carrier OTN Transmission Network Sample Questions:

1. The following descriptions of the OSN 6800 devices are correct. (multiple choice)

A) The wavelength selection of the tunable wavelength OTU can be performed on the network management
B) The adjustable attenuation range of each channel of VA4 is 2~20dB
C) After monitoring the 15-minute and 24-hour performance events, all performance events will be cleared.
D) The NMS can set the ID of each subrack of the OptiX OSN 6800 device.

2. OTU is one of the important components of the WDM system. Which of the following is wrong about OTU?

A) The greater the dispersion tolerance of the transmitter, the farther the signal can transmit without dispersion compensation.
B) -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.
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.

3. The following are related to the functional characteristics and dependencies of APE, which are correct.
(multiple choice)

A) If the APE function is configured, the ALC function must be configured at the same time.
B) PM
C) FAS
D) The APE function requires the transmitting end station to configure the detection board, and the receiving station configures the adjustment board.
E) TCMi
F) All the boards of the adjustment site must be in the same network element.
G) The reconciliation site and the inspection site must be in the same network elementThe following electrical layer overhead bytes, which does not support BIP8 parity?
H) SM

4. The OAU101 is known to have a single-wave input/output nominal value of -16/+4dBm and a gain range of
20 to 31dB. If there is a -20dBm signal at the input, use DCM(A) (insert loss 4dB) to make it When the nominal output is reached, which of the following values should the gain on the network management be set to?

A) 24dB
B) 27dB
C) 31dB
D) 20dB

5. OLP is single-ended switching. In the case of a single fiber break, there will be inconsistencies in the sending and receiving routes.

A) True
B) False

Solutions: