Huawei H12-931_V2.0-ENU HCIE-Transmission (Written) V2.0 Online Training
Huawei H12-931_V2.0-ENU Online Training
The questions for H12-931_V2.0-ENU were last updated at Feb 20,2025.
- Exam Code: H12-931_V2.0-ENU
- Exam Name: HCIE-Transmission (Written) V2.0
- Certification Provider: Huawei
- Latest update: Feb 20,2025
A network is configured with an optical line protection group. The initial difference between the primary and standby input optical signals is 2db, and the primary and standby input optical difference switching threshold is 5db. Which of the following situations will trigger switching?
- A . Main channel optical power minus standby channel optical power = 4db
- B . Main channel optical power minus standby channel optical power = -4db
- C . Main channel optical power minus standby channel optical power = -2db
- D . Main channel optical power minus standby channel optical power = 2db
Network elements A, B, and C are OSN 3500s that form a chain network. The two AIC stations are connected to routers. The IPR router is connected to the OptiX SDH equipment through the STM-1 POS port. The PAS port also uses 1 and C2 bytes as payload transfer bytes (for carrying services). VC4 services are created from network element A to network element C, and VC4 is passed through network element B.
In this case, is there any alarm reported inside the SDH network?
- A . No alarm
- B . There is a C2 mismatch alarm
- C . There is a J1 mismatch alarm
- D . There is a C2 not installed alarm
The maximum dispersion tolerance of an OTU board is 800ps/nm. On a G.652 fiber, the dispersion-limited distance can be roughly considered to be?
- A . 40KM
- B . 60KM
- C . 80KM
- D . 10KM
1NE1 is interconnected with NE2. NE1 uses OptiX SDH equipment and uses a VC4:1:2 timeslot. If the service can be opened normally, what is the VC12 timeslot number that the other end needs to use when using equipment from other manufacturers?
- A . 2-1-1
- B . 1_2_1
- C . 1_1_2
- D . 2_2_1
Which of the following statements about TTX board is correct?
- A . Essentially, the TTX board is not a 100G tributary board, but it requires a single-slot 100G cross-connect capacity.
- B . 8800T64/T32 universal subrack can support TTX boards
- C . This board is a tributary board that can access 100G client-side services
- D . TTX can be used with NS4 to make ODU4 particles electrically cross-linked
In a point-to-point WDM networking scenario, the signal-to-noise ratio of a single channel is low, while other channels are normal. What is the reason for this being impossible?
- A . The optical power of the OTU board corresponding to this wave at the transmitting end has decreased
- B . The fiber pigtail attenuation from the OTU board corresponding to this wave to the combiner increases
- C . Increased attenuation on the optical path
- D . The gain slope of the amplifier changes
In what order do the downstream signals flow through the functional blocks of the SL16 circuit board?
- A . SPI, RSE, MST, MSP, MSA, HPT
- B . HPT, MSA, MST, RST, SPI
- C . SPL, MST, RST, MSP, MSA, HPT
- D . HPI, MSP, MSA, MST, RST, SPI
If both the bidirectional OA and OSC report a loss of light alarm in a WDM network, which is the most likely cause?
- A . One-way interruption of line optical fiber
- B . The line optical fiber is interrupted in both directions
- C . Unidirectional degradation of line fiber
- D . Bidirectional degradation of line optical fiber
If the LED on the SCC board of OSN 8800 T32 shows a value of 11, which of the following subrack ID information does it represent?
- A . Secondary subrack
- B . No. 1 slave rack
- C . No. 11 slave rack
- D . No. 17 slave rack
Which of the following descriptions about branch SNCP protection is wrong?
- A . When configuring a branch SNCP, you need to set the SNCP subtype.
- B . The crossover granularity is GE or Any signal
- C . Trigger conditions are: board not in place, SF, SD
- D . Branch SNCP protection uses the dual-transmit and selective-receive function of electrical layer crossover to protect the customer-side services accessed by the branch board.
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