2026 Correct Practice Tests of H31-311_V2.5 Dumps with Practice Exam
Certification Sample Questions of H31-311_V2.5 Dumps With 100% Exam Passing Guarantee
Huawei H31-311_V2.5 (HCIA-Transmission V2.5) exam is a certification that validates a candidate's knowledge and skills in the field of transmission network technologies. H31-311_V2.5 exam is designed to test the understanding of fundamental concepts, including the principles of transmission network, SDH, WDM, and OTN technologies. H31-311_V2.5 exam is intended for individuals who want to pursue a career in the field of telecommunications and transmission networks.
Huawei H31-311_V2.5 (HCIA-Transmission V2.5) Certification Exam is an essential certification for professionals in the telecommunications industry. H31-311_V2.5 exam tests and validates the candidate's knowledge and skills in transmission network technologies, making them a valuable asset to any organization. HCIA-Transmission V2.5 certification is globally recognized and is a key requirement for many job openings in the industry.
Huawei H31-311_V2.5 (HCIA-Transmission V2.5) certification exam is designed to test the knowledge, skills, and abilities of network engineers in the area of data transmission. As one of the most sought-after certifications in the industry, the HCIA-Transmission V2.5 certification demonstrates that a network engineer has the skills and knowledge necessary to design, deploy, and manage data transmission systems using Huawei equipment.
NEW QUESTION # 156
When the optical signal-to-noise ratio drops to a certain level, it will seriously endanger the performance value of the system.
- A. True
- B. False
Answer: A
NEW QUESTION # 157
A local area network is a network formed by interconnecting various communication devices in a small area. Its characteristics are: short distance, low delay, high data rate and reliable transmission.
- A. True
- B. False
Answer: B
NEW QUESTION # 158
The optical amplifier unit compensates for line losses and extends the transmission distance. Connecting multiple optical amplifier units in cascaded mode allows for extended transmission distances without following the system.
- A. True
- B. False
Answer: B
NEW QUESTION # 159
NE A and NE B are adjacent NE
If B3 and low-order Falses occur in the A->B direction, and B1, B2, B3, and low-order Falses occur in the B-
>A direction, it is caused by Which of the following performance events does NEA report? (Multiple choice).
- A. RSBEE
- B. MSFEBBE
- C. HPBBE
- D. HPFEBBE
- E. RSFEBE
- F. MSBBE
Answer: A,C,D,F
NEW QUESTION # 160
Only one TCM can be used at a site.
- A. True
- B. False
Answer: B
NEW QUESTION # 161
From the formula: OTUk rate = 255/(39-k) × STM-N rate, we can get OTU4 rate = 255/235 × STM-N rate.
- A. True
- B. False
Answer: A
NEW QUESTION # 162
Establish Ethernet leased line service between HI (HQ) and H2 (branch) of enterprise H, and bind 5 in the corresponding VCTRUNK VC-12. When a VC-12 fails, the Ethernet dedicated line between H1 and H2 is interrupted. So, which of the following statements is true?
- A. Enable the LCAS feature on the VCTRUR port used by the Ethernet Leased Line service between H1 and H2. (Correct answer"
- B. Enable the QinQ function on the VCTRUNK port used by the Ethernet Leased Line service between H1 and H2.
- C. enables the LXAS feature on the port used by the Ethernet Leased Line service between H1 and H2.
- D. Enable the QinQ feature on the ports used by H1 and H2 Division's Ethernet Leased Line service.
Answer: A
NEW QUESTION # 163
What are the corresponding alarm objects of PWRA, PWRB, and PWRC on the SSN1GSCC board?
Which of the following options is correct?
- A. -48V power indicator light system +5.0V backup power indicator light system +3.3V backup power indicator light
- B. A-48V power indicator B-48V power indicator System +5.0V backup power indicator
- C. -48V power indicator light system +3.3V backup power indicator light system +5.0V backup power indicator light
- D. A-48V power indicator light B-48V power indicator light System +3.3V backup power indicator light
Answer: D
NEW QUESTION # 164
The OTN electrical layer SM, PM, and TCMi overheads all contain a 1-byte BIP8 field, and the frame structure ranges they monitor are different.
- A. True
- B. False
Answer: B
NEW QUESTION # 165
Which of the following device domains can be managed by U2000? (Multiple choice).
- A. Transport equipment
- B. Data communication device
- C. Access device
- D. Wireless device
Answer: A,B,C,D
NEW QUESTION # 166
For OTN interfaces without optical layer overhead, in order to achieve monitoring purposes, OTUk/OTUk-v/OTUkV and OTUCn signals are terminated when the interface signal is terminated.
- A. True
- B. False
Answer: A
NEW QUESTION # 167
Which of the following statements about the MSP ring are correct? (Multiple choice)
- A. When creating a protection subnet, select only SDH network elements. Do not select REG or WOM network elements.
- B. When multiple protection subnets occupy the same port on the same board, you must select
"Resource Sharing" - C. Assignment by VC4 means assigning different VC4s to different protection subnets to achieve MSP2Q only in certain channels
- D. The number of nodes in the MSP ring cannot exceed 16
Answer: A,B,C,D
NEW QUESTION # 168
Coherent receiver technology uses a local oscillator laser with the same frequency as the received signal to perform coherent processing and recover () information from the received signal. (Multi-quality selection.)
- A. Frequency
- B. Polarized state
- C. Phase
- D. Amplitude
Answer: B,C,D
NEW QUESTION # 169
Which of the following descriptions about multiplexing is correct? During byte interleaving multiplexing, the information payload and pointer bytes of each frame are interleaved and multiplexed according to the original values, and the segment overhead is also multiplexed accordingly.
- A. STM-4 has 4 times the overhead of STM-1
- B. The overhead in STM4 is newly integrated into only one set of overhead
- C. The overhead number in STM-4 is the same as that in STM-1
- D. Random generation of overhead in STM-4
Answer: B
NEW QUESTION # 170
Which of the following descriptions about ROADM are correct? (Multiple choice)
- A. ROADM can balance the optical power of the wavelengths of pass-through and add-on
- B. ROADM technology uses network management software to send configurations to adjust wavelengths and adjust the pass-through status.
- C. NG WDM equipment supports fixed spectrum ROADM and flexible spectrum Flexible ROADM
- D. Wavelength adjustment at ROADM sites requires on-site support from maintenance personnel
Answer: A,B,C
NEW QUESTION # 171
The number of bit error blocks on each VC4 channel is detected by B3 at the receiving end. At the same time, the information is sent back to the transmitting end via Q HP-REI and HP-FEBBE for reporting at the transmitting end ().
- A. J (b1-64)
- B. G (61-64)
- C. K3 (b1-b4)
- D. G1 (b5-b8)
Answer: B
NEW QUESTION # 172
If a weak signal light and a strong pump light are transmitted simultaneously in an optical fiber, and the wavelength of the weak signal light is within the Raman gain bandwidth of the pump light, the energy of the strong pump light is combined into the oscillation mode of the silicon material of the optical fiber through stimulated Raman scattering (SRS), and then emitted at a longer wavelength, which is the wavelength of the signal light, thereby amplifying the weak signal light and obtaining Raman gain.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 173
After TCM monitoring is enabled, when the upstream station detects a LOF alarm, it will insert IAE and the local end will report the ODU1_TCMn_IAES performance event.
- A. True
- B. False
Answer: A
NEW QUESTION # 174
What are the main losses of optical fiber? (Multiple choice)
- A. Absorption loss
- B. Scattering loss
- C. Bending loss
- D. Reflection loss
Answer: A,B,C
NEW QUESTION # 175
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