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Huawei H31-311_V2.5 Exam Syllabus Topics:

Huawei HCIA-Transmission V2.5 Sample Questions:

1. What are the main advantages of WDM? (Multiple choice)

A) The system is easy to upgrade and can protect existing investments to the greatest extent possible during the upgrade
B) Compatible with future all-optical switching networks
C) High networking flexibility, economy and reliability
D) Can completely replace SDH equipment
E) Ultra-large capacity, "transparent" data transmission

2. The segment overhead of STM-16 is 9*8*16 bytes/frame.

A) True
B) False

3. Compared with traditional SDH and SONET equipment, which of the following advantages does OTN have? (Multiple choice)

A) provides powerful out-of-band FEC function, effectively ensuring line transmission performance
B) Support special virtual cascade transmission mode to improve and optimize the network structure
C) Provides up to 5 levels of nested TCM connection monitoring
D) Meeting the transmission bandwidth requirement of each optical Tb/s through wavelength division function
E) Provide 2.7Gb/s, 10.7Gb/s, 43Gb/s and even 111.8Gb/s high-speed interfaces

4. The frame rate of STM-1, STM-4, STM-16, and STM-64 signals is the same 8000 frames per second.

A) True
B) False

5. Which of the following options belong to nonlinear effects? (Multiple choice)

A) Raman scattering
B) Self-Phase Modulation Example
C) Four-wave mixing
D) Dispersion

Solutions: