Ultimate Guide to the H31-341_V2.5 - Latest Oct 26, 2025 Edition Available Now
2025 Updated Verified Pass H31-341_V2.5 Exam - Real Questions and Answers
Huawei H31-341_V2.5 certification exam covers a wide range of topics, including transmission principles, networking technologies, network planning and design, network deployment and maintenance, network optimization, and troubleshooting. Candidates will be tested on their ability to design, configure, and implement transmission networks, as well as their ability to troubleshoot and resolve issues that arise in transmission networks.
Huawei H31-341_V2.5 certification is a valuable credential for professionals who work in the telecommunications industry. It demonstrates that the individual has a comprehensive understanding of transmission network technologies and is capable of designing and maintaining high-performance transmission networks. HCIP-Transmission V2.5 certification is recognized worldwide and is highly respected in the industry.
NEW QUESTION # 30
MPLS label consists of which of the following parts? (Multiple choice)
- A. TTL
- B. EXP
- C. Label
- D. s
Answer: A,B,C,D
NEW QUESTION # 31
Which of the following description about MPLS (Multiprotocol Label Switching) is wrong?
- A. MPLS adopts a dual-plane structure, which is divided into a control plane and a forwarding plane. The control plane is connection-oriented, and the forwarding plane is connectionless-oriented.
- B. MPLS packet forwarding is based on labels.
- C. In the field of packet transmission, the main application of MPLS technology is to build tunnels to carry various types of services (such as: TDM, ATM, Ethernet) transmitted by PWE3, and realize end-to-end transmission of services in the packet network.
- D. MPLS is not a service or application, but a standardized routing and switching technology platform that can support various high-level protocols and services
Answer: A
NEW QUESTION # 32
In an OA system, the lower threshold of the receive optical power of a line board (with an APD receiver laser) or the WDM side of an OTU board is the optical module's receiver sensitivity plus 5 dB.
- A. TRUE
- B. FALSE
Answer: B
Explanation:
For an OA system, the lower threshold of receive optical power of a line board with an APD receiver or the WDM side of an OTU board is the optical module's receiver sensitivity plus 3 dB, not 5 dB. The 5 dB margin applies mainly to PIN receivers. This distinction is critical because APDs have higher sensitivity and thus require a smaller margin to avoid false alarms or unnecessary protection switching. HCIP-Transmission clearly differentiates these thresholds to ensure proper optical power management and alarm settings in the network.
NEW QUESTION # 33
For a system with an optical amplifier, the lower threshold of the received optical power on the wavelength division side of the OTU board (PIN type receiving laser) is the receiving sensitivity of the optical module + 5dB.
- A. True
- B. False
Answer: B
NEW QUESTION # 34
The () function of the 0A module of the EMR8 single board makes the system increase or decrease one or several channels or when the optical signal of some channels fluctuates, without affecting the signal gain of other channels.
Answer:
Explanation:
Gain Lock
NEW QUESTION # 35
There are two transmission modes in the WDM system, respectively () is and ()
Answer:
Explanation:
Single fiber unidirectional | Single fiber bidirectional
NEW QUESTION # 36
Which of the following options are commonly used instruments or tools in WDM network commissioning? (Multiple choice)
- A. Screwdriver
- B. Optical Spectrum Analyzer
- C. Multimeter
- D. Optical power meter
Answer: B,C,D
NEW QUESTION # 37
The cascading methods for mapping Ethernet services to SDH include adjacent cascading and virtual cascading.
- A. False
- B. True
Answer: B
NEW QUESTION # 38
TM20 single board can implement 20 coherent optical signals with different wavelengths to be added and multiplexed into 1 multiplexed optical signal and 1 multiplexed optical signal
- A. False
- B. True
Answer: B
NEW QUESTION # 39
Since the EALC/ALC function is used in the SOM system, the service may be interrupted during optical power adjustment.
- A. False
- B. True
Answer: B
NEW QUESTION # 40
The optical monitoring board cannot receive the optical monitoring signal, and will report () alarm.
Answer:
Explanation:
OSC_LOS
NEW QUESTION # 41
The alarm detection of the optical layer overhead is realized through the optical layer overhead OOS. Which of the following descriptions about the optical layer overhead alarm is correct?
- A. Optical layer overhead alarms are automatically reported by default
- B. As long as the optical monitoring channel is enabled, the optical layer overhead alarm can be reported
- C. The WDM system does not enable the optical monitoring channel, and the optical layer overhead alarm cannot be reported
- D. Whether the optical layer overhead alarm can be accurately reported has nothing to do with the logical fiber connection configuration of the system
Answer: C
NEW QUESTION # 42
Insertion loss is the abbreviation of insertion loss, which refers to the power loss caused by inserting a component (such as a connector, coupler or joint) into an originally continuous path. Insertion loss is an important indicator of passive devices.
- A. False
- B. True
Answer: B
NEW QUESTION # 43
For hybrid transmission of 100G-and-beyond and 10G signals, it is recommended that the optical power of
100G and beyond signals be higher than that of 10G signals but not higher than the single-wavelength nominal value of an OA board.
- A. FALSE
- B. TRUE
Answer: B
Explanation:
In hybrid transmission scenarios involving both 100G-and-beyond and 10G signals, it is recommended that the optical power of 100G signals be higher than that of 10G signals but not exceed the single-wavelength nominal value of the OA board. This ensures the 100G signals, which typically have stricter OSNR and power requirements, maintain adequate quality without causing nonlinear effects or saturation. Proper power balancing between different signal rates prevents performance degradation and interference. HCIP- Transmission guidelines emphasize this approach for hybrid system stability and optimized performance.
NEW QUESTION # 44
AGC can solve a multi-wavelength WDM system. When some wavelength signals are lost, due to gain competition, its energy will be transferred to those signals that are not lost, making the power of other wavelengths higher.
- A. False
- B. True
Answer: B
NEW QUESTION # 45
The common methods for fault location of MSTP equipment can be simply summarized as which of the following?
- A. One is to change the board, the other is to loop back, and the third is to analyze.
- B. —Analysis, two board changes and three loops.
- C. First loop back, second board replacement, third analysis.
- D. First analysis, second loopback, third board replacement.
Answer: D
NEW QUESTION # 46
ITU-T stipulates, what is the switching gain requirement of the Raman amplifier equal to how many DB?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 47
Optical power is an Important indicator of a WDM system and directly affects the transmission distance of signals. Therefore, the output optical power of a site must be as high as possible to ensure that signals can reach the peer site.
- A. TRUE
- B. FALSE
Answer: B
Explanation:
It is false that output optical power of a site must be as high as possible to ensure signals reach the peer site.
Excessively high output power can cause nonlinear effects, such as four-wave mixing and self-phase modulation, degrading signal quality. Optimal power levels must be maintained within equipment specifications to balance reach and signal integrity. HCIP-Transmission stresses careful power management, including gain control and attenuation, to maximize network performance without introducing impairments.
NEW QUESTION # 48
Which of the following descriptions about OTU4 frame rate calculation is correct?
- A. 255/236 × 39813120 kbit/s
- B. 255/237 × 9953280 kbit/s
- C. 255/227 × 99532800 kbit/s
- D. 255/238 × 2488320 kbit/s
Answer: C
NEW QUESTION # 49
When forwarding packets based on MPLS labels, what actions may the packets need to perform? (Multiple choice)
- A. Push
- B. Switch
- C. Swap
- D. Pop
Answer: A,C,D
NEW QUESTION # 50
Which of the following factors are considered that ASON supports routing strategies based on? (Multiple choice)
- A. distance
- B. Hop count
- C. load
- D. Node type
Answer: A,B,C
NEW QUESTION # 51
Which of the following descriptions about optical line protection is wrong?
- A. Use the OLP board to configure optical line protection. The RI1/T01 optical port of the 0LP board must be working, and the RI2/T02 optical port must be protection.
- B. When protecting optical lines, use the dual-feed and selective-receiving function of the OLP single board to protect the line fibers between adjacent sites using separate routes
- C. Optical line protection is double-ended switching. In the case of a single optical fiber interruption, there will be no inconsistency in sending and receiving routes.
- D. OLP board switching is only related to the received optical power
Answer: C
NEW QUESTION # 52
Which of the following methods can be used to multiplex low-order ODUk to high-order ODUk?
- A. Time division multiplexing
- B. Frequency Division Multiplexing
- C. Space division multiplexing
- D. Wavelength division multiplexing
Answer: A
NEW QUESTION # 53
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