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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. In the SDH network, the S1 byte is used to transmit synchronization status information. Which of the following S1 byte values represents the G.811 recommended clock?

A) 0x02
B) 0x0b
C) 0x04
D) 0x00
E) 0x0f

2. Network elements A, B, and C are OSN 3500 forming a chain network. The two stations A and C are connected to routers. The IP routers are connected to the OptiX SDH equipment through the POS port of STM-1. The PAS port connects J1 and C2 bytes. It is also used as a payload to transfer bytes (used to carry services). The network element A to the network element C creates a VC4 service, and the network element B uses VC4 to pass through.
In this case, is there an alarm report inside the SDH network?

A) No warning
B) There is a C2 mismatch alarm
C) There is a C2 not loaded alarm
D) There is a J1 mismatch alarm

3. The ODU product label is shown in the picture. Which of the following statements is correct? (multiple choice).

A) This ODU can be used as low station
B) The receiving frequency range is: 7582-7638MHz
C) The transmitting frequency of this ODU is located in sub-band A of 7GHz
D) The transceiver interval of this ODU is 154MHz

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) 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
C) 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

5. Raman gain depends on the pump power and the quality of the fiber link

A) FALSE
B) TRUE

Solutions: