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Huawei H31-341_V2.5 certification exam is the second level of certification in the HCIP-Transmission series. It is an advanced certification that builds upon the knowledge and skills acquired in the HCNA-Transmission certification. Candidates who pass H31-341_V2.5-ENU exam will have a deep understanding of the latest transmission technologies and will be able to design, deploy, and maintain transmission networks at an expert level.
Huawei H31-341_V2.5 exam is a vendor-specific certification exam that is recognized worldwide. HCIP-Transmission V2.5 certification is highly valued among professionals in the transmission engineering field, as it demonstrates their proficiency in using Huawei transmission products and technologies. HCIP-Transmission V2.5 certification is also an excellent way for professionals to advance their careers by demonstrating their expertise in transmission engineering and gaining recognition from their peers and employers.
NEW QUESTION # 72
There is a VOA on each wavelength path of WSS to realize the () adjustment of the optical signal, so as to realize the adjustment of flatness.
Answer:
Explanation:
optical power
NEW QUESTION # 73
Which of the following options is the low-loss area of single-mode fiber? (Multiple choice)
- A. 1310nm
- B. 1550nm
- C. 900nm
- D. 1400nm
Answer: A,D
NEW QUESTION # 74
During CV/FFD, the ingress node transmits detection packets at a specific interval, and the egress node checks the number and content of these packets at an interval ( ) times the length of the detection packet transmission interval.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
The egress node checks received CV or FFD packets over any 3-second window when the ingress interval is 1 s (i.e., at three times the transmission interval).
NEW QUESTION # 75
The number of ODU2e signals multiplexed into ODU3 signals is the same as the number of ODU2 signals multiplexed into ODU3 signals.
- A. False
- B. True
Answer: A
NEW QUESTION # 76
Which options are wrong in the following description about the ROADM board? (Multiple choice)
- A. WSM9 realizes the dynamically configurable demultiplexing function from any wavelength to any port
- B. RMU9 implements the wave adding function of 9 channels of signals. Its upwave port can cooperate with the OTU single board with wavelength adjustable function to realize full dynamic input of 9 signals
- C. WSD9 realizes the dynamic and configurable multiplexing function from any wavelength to any port
- D. The broadcast function of the RDU9 attack service signal in 9 directions
Answer: A,B,C
NEW QUESTION # 77
NG WDM adopts L0+L1+L2 three-layer structure. Among them, the L2 layer realizes the switching based on Ethernet/MPLS-TP, the L1 layer realizes the switching based on ODUk/VC, and the L0 layer realizes the switching based on ingress
- A. True
- B. False
Answer: A
NEW QUESTION # 78
Which of the following protection schemes does not require subnet configuration before subsequent protection operations when you configure services on a per-NE basis?
- A. MSP
- B. LMSP
- C. SNCP
- D. MSPs and SNCPs
Answer: C
NEW QUESTION # 79
Which of the following are not 400G transmission modulation technologies?
- A. Multicarrier Generation and Multiplexing
- B. Higher order modulation (xQAM)
- C. Advanced oDSP algorithm
- D. FDDM/Nyquist Spectrum Compression Technology
Answer: C
NEW QUESTION # 80
Which of the following are other complex network structures derived from ring networking? (Multiple choice)
- A. Loop chain
- B. Phase separation ring
- C. Tangent ring
- D. Intersecting rings
Answer: A,C,D
NEW QUESTION # 81
Which of the following boards belong to the wavelength conversion board of OptiXtrans DC908 equipment? (Multiple choice)
- A. LDC
- B. MD02A
- C. MS04
- D. MD02
Answer: B,C,D
NEW QUESTION # 82
There is a slot mapping relationship between the OSN3500 processing board and the interface board. The processing board in slot 1 maps to the interface boards in slots 19-20.
- A. False
- B. True
Answer: A
NEW QUESTION # 83
Which of the following descriptions about the process of optimizing the abnormal line attenuation compensation are correct? (Multiple choice)
- A. After receiving the alarm, the SOM obtains the OCh path corresponding to the alarm and adds it to the management path to be optimized.
- B. The SCC board at the downstream site of the fault reports an alarm to the power detection unit (OA) of the first node through DCN communication, and the SC of the first node reports an alarm to the SOM.
- C. The downstream power detection unit (OA) detects that the line attenuation deviation exceeds the threshold, and reports an alarm to the SCC board of its own station.
- D. According to the user's adjustment instruction, start the adjustment of the line attenuation for the OCh path, so that the output of the downstream optical amplifier reaches the normal value.
Answer: A,C,D
NEW QUESTION # 84
Which of the following effects was used in The Raman amplifier?
- A. Four Wave Mixing (FWM)
- B. Raman scattering
- C. Disperse
- D. Self-Phase Modulation (SPM))
Answer: B
NEW QUESTION # 85
The main optical path monitoring is based on the OMS segment, which mainly monitors the following items: (Multiple choice)
- A. Abnormal line attenuation compensation
- B. Whether the main optical path is broken
- C. Whether the line attenuation exceeds the design EOL value
- D. Abnormal transmit power
Answer: A,B,C
NEW QUESTION # 86
If a network port that supports auto-negotiation is connected to a network port that does not support auto-negotiation, half-duplex and full-duplex modes can be interconnected.
- A. True
- B. False
Answer: A
NEW QUESTION # 87
The IP address of the interconnection interface generally uses a 30-bit mask. Which of the following IP addresses can be configured at both ends of the link?
- A. 192.168.5.33 Lot 192.168.5.34
- B. 171.168.1.4 and 171.168.1.5
- C. 100.1.2.64 and 100.1.2.65
- D. 190.136.3.14 and 190.136.3.15
Answer: A
NEW QUESTION # 88
OTUk_DEG indicates OTUk signal degradation. Which of the following statements about the bit error detection mode are true? (Choose all that apply.)
- A. When bit errors are detected in Poisson mode, this alarm is reported after signal degradation occurs.
- B. When bit errors are detected in burst mode, this alarm is reported after signal degradation or bit error threshold crossing occurs.
- C. When bit errors are detected in Poisson mode, this alarm is reported after signal degradation or bit error threshold crossing occurs.
- D. When bit errors are detected in burst mode, this alarm is reported after signal degradation occurs.
Answer: B,D
Explanation:
In burst mode, an OTUk_DEG alarm is triggered when bit errors cause signal degradation, even if the error count threshold isn't crossed.
In burst mode, the alarm also occurs if the number of bit errors within the detection window exceeds the configured threshold.
NEW QUESTION # 89
The NG WDM two-dimensional ROADM site can use the WSMD9 single board, and its signal flow is the optical signal connected to the main optical channel from the "IN" optical port. Through the RDU (ROADM Demix Unit) optical module broadcast into 9 channels of the same optical signal; respectively output from the "DM1~DM8" and "ECPO" optical ports. One of the signals is dropped locally by the splitter board, and the other 8 signals are dispatched to the other 8 directions. From the "EXPI" optical port to access the signals of each wave of the main optical channel. The multiplexed or single-wavelength optical signals that need to be added locally are input through the "AM1"~"AM8" optical ports.
- A. True
- B. False
Answer: A
NEW QUESTION # 90
The unit of physical layer data in the OSI reference model is (), and the unit of data link layer data is ().
Answer:
Explanation:
bits | frames
NEW QUESTION # 91
MPLS label allocation is divided into static allocation and dynamic allocation. The static allocation label has no allocation principle as long as the values of each label are different.
- A. False
- B. True
Answer: A
NEW QUESTION # 92
Compared with the SDH system, the WDM system improves the utilization of optical fibers by dividing optical fibers into "multi-lanes"
- A. True
- B. False
Answer: A
NEW QUESTION # 93
Which of the following is a VLAN classification method? (Multiple choice)
- A. By MAC address
- B. Through the port
- C. By subnet
- D. By agreement
Answer: A,B,C,D
NEW QUESTION # 94
Loopback is a common operation for daily maintenance and troubleshooting. Which of the following description of loopback operation is correct? (Multiple choice)
- A. After performing the inner loopback, the signal flows to the outside of the WDM network element
- B. It is necessary to consider increasing the optical attenuation when performing hardware loopback operation on the optical port
- C. After performing the outer loopback, the signal flows to the inside of the WDM network element
- D. Hardware loopback is the loopback of the optical port and the electrical port with a pigtail and a self-loop cable.
Answer: A,B,C
NEW QUESTION # 95
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