2026 Updated Huawei H31-311_V2.5 Certification Study Guide Pass H31-311_V2.5 Fast
H31-311_V2.5 Dumps PDF 2026 Program Your Preparation EXAM SUCCESS
Huawei H31-311_V2.5 exam is an excellent way for professionals to test their skills and knowledge on transmission networks. With a passing score, one will have the opportunity to enhance their career and be recognized as an expert in the field of transmission network engineering.
NEW QUESTION # 77
Which of the following is the electrical layer overhead of OTN? (Multiple choice)
- A. OTUR
- B. ODUk
- C. Och
- D. OPUk
Answer: A,B,D
NEW QUESTION # 78
Which of the following are prerequisites for self-healing networks?
- A. Backup routes
- B. Powerful cross-connect capabilities
- C. Intelligent network nodes
- D. Unified management by the NMS
Answer: A,B,C
NEW QUESTION # 79
Bait-doped fiber amplifiers (EDFAs) are a key component of the new generation of optical communication systems. Which of the following is the feature of EDFA? Multiple Choice) □
- A. High gain
- B. High output meritorious service
- C. Amplification of any wavelength
- D. Low noise index
Answer: A,B,D
NEW QUESTION # 80
Which of the following is a functional unit that provides high-speed signal interface and processes corresponding signals?
- A. Cross-connect unit
- B. Tributary Unit
- C. Auxiliary units
- D. Line Unit
Answer: D
NEW QUESTION # 81
Which of the following descriptions about overhead bytes is wrong?
- A. B1: Bit interleaved parity 8-bit code BIP-8, used for regeneration section layer error monitoring.
- B. E1, E2: Business contact bytes, providing business contact voice channels.
- C. OJO: Regeneration segment trace byte, used to repeatedly send the segment access point identifier so that the receiving end can confirm that it is in a continuous connection with the specified sending end.
- D. A1, A2: Framing bytes, which correctly select and separate individual STM-1 frames in the received signal stream.
Answer: D
NEW QUESTION # 82
According to ITUT recommendations, the requirement that the MSP switching time should be within
50ms is conditional. For example, the number of network elements in the entire ring network is less than
16.
- A. False
- B. True
Answer: A
NEW QUESTION # 83
Additional services cannot be configured on the protection channel of 1:1 linear multiplex section protection.
- A. True
- B. False
Answer: A
NEW QUESTION # 84
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. False
- B. True
Answer: A
NEW QUESTION # 85
OSN1500/2500/3500/7500 supports DC and AC power inputs.
- A. False
- B. True
Answer: A
NEW QUESTION # 86
The SDH network does not change the structure and rate of the client-side signal.
- A. True
- B. False
Answer: A
NEW QUESTION # 87
If a network port that supports auto-negotiation is connected to a network port that does not support auto-negotiation, half-duplex may be used instead of full-duplex.
- A. True
- B. False
Answer: A
NEW QUESTION # 88
The TAG attribute cannot be set for the internal port VCTRUNK of the board on the NMS.
- A. False
- B. True
Answer: A
NEW QUESTION # 89
In a 25GMSP ring consisting of four MSTP sites, which of the following statements about alarm reporting are correct when protection switching occurs?
- A. Report APS-INDI alarm on the system control board
- B. PS alarms are reported on the tributary board
- C. APS-INDI alarm is reported on the XCS board
- D. Report APS-INDI alarm on the board
Answer: C
NEW QUESTION # 90
Regarding the AU-AIS alarm, which of the following statements is correct?
- A. AU-PTR is composed of H1, H2, H3H3H3, so when all three are received as "1", the AU-AIS alarm will be reported.
- B. AU-PTR is composed of HI, H2, H3H3H3. When H1 and H2 are all "1", the AU-AIS alarm will be reported.
- C. When the AU-PTR value is 783, the AU-AIS alarm will be reported
- D. The management unit pointer part of the positive structure is all "1"
Answer: B
NEW QUESTION # 91
Which of the following modulation technologies has the best performance in terms of wavelength stability?
- A. Direct modulation
- B. EA modulation
- C. Indirect modulation
- D. M-Z modulation
Answer: D
NEW QUESTION # 92
Which of the following descriptions about the slot settings of the OSN 6800 subrack is wrong?
- A. Slots IU17 and IU18 can be used for the main control board SCC. Each SCC can independently support subrack management
- B. When the IU17 slot is not configured with SCC, the OTU board can be inserted to provide service cross-connection function
- C. U9 and IU10 slots can be used for cross-connection boards XCS. Each XCS can independently support cross-connection of all services between slots.
- D. IU19 and IU20 are fixed for inserting the power access board PIU. Each PIU can independently support the sub-rack power supply.
Answer: B
NEW QUESTION # 93
......
Get Perfect Results with Premium H31-311_V2.5 Dumps Updated 750 Questions: https://www.examprepaway.com/Huawei/braindumps.H31-311_V2.5.ete.file.html
Free H31-311_V2.5 Exam Study Guide for the NEW Dumps Test Engine: https://drive.google.com/open?id=1BoyYHayn9aPXEaStONkG8_Z_JVBk3euP