H31-341_V2.5-ENU Premium Files Updated Jun-2026 Practice Valid Exam Dumps Question
Practice with H31-341_V2.5-ENU Dumps for HCIP Transmission Certified Exam Questions & Answer
NEW QUESTION # 33
Which of the following statements about cross-connect board 1+1 protection are correct? (Multiple choice)
- A. The source service board sends services to the active and standby cross-connect boards
- B. The receiving service board can only receive data from the active cross-connect board.
- C. Both cross-connect boards have the same configuration. The service board will selectively receive service from one of the
- D. The buses of the two cross-connect modules work independently without interfering with each other.
- E. After the service cross-connection is completed, the active and standby cross-connect boards send the data of the active cross-connect board to the receiving service board.
- F. A dual-bus system architecture indicates that the service board performs dual data feeds to the cross-connect side and selectively receives data on the cross-connect side.
Answer: A,C,D,F
NEW QUESTION # 34
() and () are two important performance indicators of the SDH transmission system.
Answer:
Explanation:
Bit Error | Jitter
NEW QUESTION # 35
The AAC address consists of 46 bits. It is globally unique. Which of the following is the meaning of a MAC address whose eighth bit is 1?
- A. Double-click the address
- B. Broadcast address
- C. Multicast address
- D. Unicast address
Answer: C
NEW QUESTION # 36
What does the optical layer overhead include? (Multiple choice)
- A. OTS
- B. OMS
- C. ODUk
- D. Och
Answer: A,B,D
NEW QUESTION # 37
Which of the following descriptions about the commissioning of the hybrid transmission system of 100G and 10G is wrong?
- A. To expand the 100G channel capacity of the 10G system on the existing network, the dispersion compensation type needs to be adjusted
- B. 100G is a coherent system, and 10G is a non-coherent system. Mixed transmission needs to set an isolation zone
- C. In the scenario of non-coherent live network expansion and 100G coherent mixed transmission, the OSNR tolerance of 100G wavelength and the non-electric relay transmission distance can be improved by reducing the optical power of the input fiber
- D. Pay attention to the mixed transmission spectrum, the spectrum of the 10G signal is relatively wide, and it looks lower than the 10G signal in the spectrum, but the actual optical power is equivalent
Answer: B
NEW QUESTION # 38
OS-OTN equipment incorporates which of the following plane technologies? (Multiple choice)
- A. OTN
- B. Grouping
- C. PDH
- D. SDH
Answer: A,B,D
NEW QUESTION # 39
Which of the following descriptions about the AU pointer are correct? (Multiple choice)
- A. Since the value of the AU-PTR pointer is placed in the last 10 bits of the two bytes H1 and H2, its effective value is 0~1023.
- B. AU-PTR refers to the position of the J0 byte.
- C. If the receiving end detects that the H1H2 bytes are all "1", the local end generates an AU-AIS alarm.
- D. The root cause of AU pointer adjustment is that the clocks between the upstream and downstream stations are not synchronized.
Answer: C,D
NEW QUESTION # 40
Inter-board crossover mainly includes two application scenarios: client-side service drop-in and WDM-side service pass-through.
- A. True
- B. False
Answer: A
NEW QUESTION # 41
QPSK modulation reduces OSNR requirements and fiber non-linear effects, and Improves dispersion tolerance and PMD tolerance.
- A. TRUE
- B. FALSE
Answer: A
Explanation:
QPSK (Quadrature Phase Shift Keying) modulation is a widely used modulation technique in advanced optical transmission systems. It offers several key benefits for long-haul and high-capacity networks. QPSK reduces the required Optical Signal-to-Noise Ratio (OSNR), which improves system performance under noisy conditions. It also mitigates fiber nonlinear effects because the signal changes are more gradual compared to higher-level modulations. Moreover, QPSK improves tolerance to chromatic dispersion and Polarization Mode Dispersion (PMD), two major impairments in fiber optics. These improvements lead to better signal integrity over longer distances and support higher data rates with fewer errors, making QPSK favorable in HCIP-Transmission environments where robust, high-capacity transmission is essential.
NEW QUESTION # 42
Which of the following descriptions about the structure and functions of each WDM system is correct? (Multiple choice)
- A. The amplifier realizes the optical relay and electrical relay function of the signal
- B. A combiner is a device with multiple output ports and one input port
- C. The client-side module of the wavelength conversion unit receives client-side services, and the WDM-side module converts non-standard wavelengths into standard wavelengths
- D. Use optical monitoring technology to transmit monitoring and management data through monitoring channels between network elements
Answer: C,D
NEW QUESTION # 43
Which of the following statements about the B1 byte is correct? (Multiple choice)
- A. Descramble the signal and then check it
- B. When the local end detects a bit error, it does not send a report back to the opposite end
- C. Up to 8 error blocks can be verified
- D. The B1 byte uses the BIP-8 check method
Answer: B,C,D
NEW QUESTION # 44
At an OLA site, the maximum output optical power of the OAU is 20 dBm. It is used in an 80-wavelength C-band system. 10 waves are actually enabled. There is no spectrum analysis board, and the combined signal needs to be used for commissioning. How much dBm should be adjusted for the output optical power of the OUT port?
- A. 20 dBm
- B. 1 dBm
- C. 5 dBm
- D. 11 dBm
Answer: D
NEW QUESTION # 45
If a network port that supports auto-negotiation is connected with a network port that does not support auto-negotiation, half-duplex to full-duplex may occur.
- A. True
- B. False
Answer: A
NEW QUESTION # 46
By summarizing the OTU1/2/3 frame rate, the calculation formula of the OTUk frame rate can be obtained. Which of the following is correct?
- A. OTU rate=255/(237-k) X STM-N frame rate
- B. OTU rate=255/(236-k) X STM-N frame rate
- C. OTU rate=255/(239-k) X STM-N frame rate
- D. OTU rate=255/(235-k) X STM-N frame rate
Answer: C
NEW QUESTION # 47
When PWE3 emulates TDM services, when the UNI side interface uses CRC4-multiframe access, which emulation method does PWE3 use?
- A. SAToP
- B. CESOPSN
- C. 1 to 1 encapsulation
- D. N to 1 encapsulation
Answer: B
NEW QUESTION # 48
MPLS APS is a network protection mechanism, which implements service switching through the detection function of MPLS OAM.
- A. True
- B. False
Answer: A
NEW QUESTION # 49
Which of the following fiber types complies with the description that the dispersion at 1310 nm is 0 and the typical dispersion coefficient around 1550 nm is 17 ps/nm.km?
- A. G.654
- B. G.655
- C. G.652
- D. G.653
Answer: C
Explanation:
The fiber type described, having zero dispersion at 1310 nm and a typical dispersion coefficient of about 17 ps/(nm km) at 1550 nm, corresponds to ITU-T G.652 standard fiber, commonly called standard single-mode fiber (SSMF). G.652 fibers are widely used in optical networks due to their low attenuation and favorable dispersion characteristics around 1310 nm, where chromatic dispersion is minimal (essentially zero). This makes them suitable for legacy systems and many current applications. In contrast, G.654 is optimized for low loss and dispersion in the 1550 nm window; G.655 fibers have non-zero dispersion-shifted characteristics; G.653 fibers have zero dispersion around 1550 nm, which differs from the question's description. HCIP-Transmission standards specify G.652 as the standard fiber matching these parameters.
NEW QUESTION # 50
Since different frequency (or wavelength) components of the light source have different group velocities, in the transmission process, the time delay of different frequency beams is different and the dispersion is called ()
Answer:
Explanation:
Chromatic dispersion
NEW QUESTION # 51
On an OTN network, a large number of bit errors occurred on multiple waves. The 0TU board reports alarms such as OTUk EXC, OTUK_DEG, BEFFEC_DEC, B1_EXC, and B1_SD. What is the reason for the impossibility?
- A. DCM module configuration is unreasonable
- B. The ambient temperature is too high
- C. The AST2 board is faulty
- D. The pigtail loss of the multiplexing part is too large
Answer: A
NEW QUESTION # 52
After the U2000 delivers configuration data to the NE, if the verification of the SCC board fails, the NE enters the installation state.
- A. True
- B. False
Answer: A
NEW QUESTION # 53
Which of the following are the steps that must be performed when configuring the Ethernet leased line service carried by the PW? (Multiple choice)
- A. Configure QoS
- B. Configure port DCN
- C. Configure MPLS tunnel
- D. Configure the UNI port
Answer: B,C,D
NEW QUESTION # 54
The number of ODU2e signals multiplexed into ODU3 signals is the same as the number of ODU2 signals multiplexed into ODU3 signals.
- A. True
- B. False
Answer: B
NEW QUESTION # 55
Which of the following is the difference between AU pointer and TU pointer? (Multiple choice)
- A. Unit of adjustment
- B. Bytes that store pointer values
- C. Indication range
- D. The number of bits occupied by the pointer value
Answer: A,B,C
NEW QUESTION # 56
Both ETH PWE3 and TDM PWE3 services support point-to-point and point-to-multipoint scenarios.
- A. True
- B. False
Answer: B
NEW QUESTION # 57
In the early stage of the project, the commissioning of the coherent system can properly improve the performance by increasing the transmitted optical power.
- A. True
- B. False
Answer: B
NEW QUESTION # 58
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Huawei H31-341_V2.5 exam is designed to assess a candidate's ability to plan, design, implement, and maintain transmission network technologies in a real-world environment. To pass the exam, candidates must demonstrate their knowledge and skills by answering a series of multiple-choice questions and practical exercises.
The HCIP-Transmission V2.5 certification exam covers a wide range of topics, including transmission network principles, network planning and design, network construction and commissioning, network maintenance and troubleshooting, and network management. H31-341_V2.5-ENU exam is designed to ensure that individuals possess the necessary skills and knowledge to implement and manage transmission networks effectively.
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