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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. Synchronization means that signals maintain a certain strict specific relationship in frequency or phase, that is, their corresponding effective instants appear at the same average rate.

A) FALSE
B) TRUE

2. What technologies can be used to achieve congestion avoidance (multiple choice)

A) WFQ
B) RED
C) WRED
D) PQ

3. The SNCP ring network composed of OptiX OSN 3500 equipment uses GXCSA as the cross-connect board, and the main ring is equipped with an SL64 single board. A and B are two adjacent nodes.
The station B receives a large number of errors in the regeneration section and multiplex section on the SL64 board of station A.
At the same time, station A receives the remote error code of the multiplex section reported on the SL64 board of station E.
In the networking diagram, it is found that the distance between A and B is 100km, the rate is 10G, and the configuration structure is "light board + BA + PA + DCU + light board".
Which of the following causes the error code to occur? (multiple choice)

A) Insufficient BA+PA gain leads to bit errors
B) Cross-board and circuit board coordination problems cause bit errors
C) DCU module model error
D) Error code caused by light board failure

4. If a ROADM site adopts WSS+RMU configuration, which of the following influences on SOM is wrong ()?

A) The source and sink optical amplifiers of the optical crossover at this site must be in the same network element
B) There is a local optical amplifier but no filter, the full-wave noise of the local optical amplifier affects the OSNR of the wavelength in the pass-through direction
C) If the local RMU is used to add waves and has an optical amplifier, the OSNR value of the wavelength in the pass-through direction detected by SOM will deviate from the actual value

5. NE1\NE2\NE3 forms a chain network. There are VC4 other services between NE1 and NE3. NE2 is a pass-through site. After the configuration is completed, NE3 site reports the HP-SLM alarm of C2 byte mismatch.
What are the detection points at this time? (multiple choice)

A) NE3 receiving direction C2 byte
B) NE2 east C2 byte
C) NE2 West C2 byte
D) C2 byte in the sending direction of NE1

Solutions: