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

1. In the wavelength division 40G network, the OSN 8800 can be used to implement the electrical layer scheduling of the ODU3 particles, and the 40G OTU3 service can be decomposed into four ODU2s for scheduling, and 40G sub-wavelength scheduling is supported.

A) False
B) True

2. When the optical cable between the FIU and the FIU fails, what are the optical layer alarms reported by the downstream site? (multiple choice)

A) R_LOS
B) OSC_LOS
C) OSC_RDI
D) MUT_LOS

3. The ROADM achieves wavelength reconfigurability by blocking or crossing wavelengths, thereby making static wavelength resource allocation a flexible dynamic allocation. The ROADM technology cooperates with the network management software to adjust the wavelength up and down and punch-through state to achieve remote dynamic adjustment of the wavelength state, and supports up to 80 wavelengths.

A) False
B) True

4. The extensive use of EDFAs in wavelength division systems is the most important cause of signal-to-noise ratio degradation.

A) False
B) True

5. The method of increasing the signal-to-noise ratio is to increase the optical power, so the optical power has a high signal-to-noise ratio.

A) False
B) True

Solutions: