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Huawei Certified Network Professional-Building Carrier OTN Transmission Network Exam (H31-331) - Huawei Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
180 Total Questions
1
Question
The optical layer path (OCh level) may cause the route calculation to fail. (multiple choice)
Select 3
Options
A The wavelength of the wavelength division side port of the OTU board does not match the wavelength of the light crossing.
B The fiber attenuation between the TDC and RDC ports of the OAU board is too large.
C The fiber connection is incorrect.
D The network layer OTS path is missing.
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2
Question
Which of the following are the default "fixed boundary ports" for the system? (multiple choice)
Select 2
Options
A OTU unit line side port
B FIU board IN / OUT port
C OAU1 board OUT port
D M40V board OUT port
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3
Question
On the OSN6800, the LDG board can implement Layer 2 scheduling of Ethernet.
Options
A False
B True
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4
Question
Which of the following statements about ESD protection measures is wrong?
Options
A Controlling humidity has little effect on reducing static electricity.
B All conductors in the equipment room must be reliably grounded, including equipment such as computer terminals, and an anti-static workbench should be set up.
C Non-antistatic plastic bags, non-antistatic foam film, rubber and other static power sources should be away from ESD sensitive devices and sensitive boards, at least 30cm away.
D Yes
E Wrong
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5
Question
The name of the network layer that exists between the multiplexer and the demultiplexer, which of the following is true.
Options
A OSC
B OMS
C OTS
D OCh
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