[Jun 03, 2026] Fully Updated Dumps PDF - Latest H31-311_V2.5 Exam Questions and Answers
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Huawei H31-311_V2.5 exam is ideal for professionals who are looking to enhance their career prospects in the telecommunications industry. HCIA-Transmission V2.5 certification is recognized by leading companies in the industry and is a testament to the skills and knowledge of the individual. It is also a great way to stay up-to-date with the latest trends and technologies in the field of transmission networks.
NEW QUESTION # 87
Which of the following are optical layer tracking? (Multiple choice)
- A. OCh
- B. OTS
- C. OMS
- D. OSC
Answer: A,B,C,D
NEW QUESTION # 88
Which of the following statements about the sequence of signal flow between SDH interfaces and cross-connect units are correct?
- A. SPICMSTRST
- B. SPTMSTMSARSTMSPHPT
- C. SPIMSPMSA
- D. SPIRST
Answer: C
NEW QUESTION # 89
When the fiber between node A and node B is disconnected, the RU on node B detects OTS_LOS alarm and will OTS_BDI The ru of the alert inserted into node A of node A forces reports OTS BDI alarms. The board reports och_SSF alarm on the downstream C node.
- A. True
- B. False
Answer: A
NEW QUESTION # 90
The essence of OPSK modulation is to reduce the baud rate of the optical signal by half without reducing the line rate by washing four possible values on the phase of the optical field; this multiplexing method can reduce the spectral bandwidth of the optical signal by half, making multi-wavelength ULH transmission with 50GHZ interval and 40G line rate possible.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 91
NCE software is deployed in B/5 (browser/server) mode.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 92
For monitoring channels, OSC and ESC can coexist in one network.
- A. True
- B. False
Answer: A
NEW QUESTION # 93
Which of the following options are correct about the problem that the emergence of WDM can solve (P170)? (Multiple choice)
- A. Optical cable resources are tight
- B. Insufficient bandwidth capacity
- C. Inflexible rate upgrade
- D. Short transmission distance
Answer: A,B,C,D
NEW QUESTION # 94
The speed of SF64 and SL64 boards are both STM-64. Therefore, the two boards can be interconnected.
- A. False
- B. True
Answer: A
NEW QUESTION # 95
OptiX OSN3500 supports a variety of cross-boards. Depending on the board model, it provides
40G/80G/120G/200G high-order cross-capacity and 5G/20G/40G/120G low-order cross-capacity.
- A. True
- B. False
Answer: A
NEW QUESTION # 96
Linear MSP (LMSP) has two modes: 1+1 and 1:1. Additional services can only be configured for the protection channel in 1:1 mode of the LMSP.
- A. True
- B. False
Answer: A
NEW QUESTION # 97
Which of the following options are included in the advantages of Liquid OTN? (Multiple choice)
- A. Ultra-low latency
- B. Minimalistic architecture
- C. Ubiquitous connectivity
- D. Flexible and efficient
Answer: A,B,C,D
NEW QUESTION # 98
Which of the following options are correct in describing the system architecture of the Optixtrans E9600/OptiX OSN 9800 product? (Multiple choice)
- A. L2 layer implements switching based on Ethernet/MPLS-TP
- B. OptiXtrans E9600 adopts LO+L1+L2+L3 architecture.
- C. The LO optical layer supports multiplexing/demultiplexing of optical wavelengths and adding/dropping of DWDM optical signals.
- D. The L3 layer implements routing switching based on TCP/IP.
- E. L1 electrical layer supports cross-scheduling of ODUk services
Answer: A,C,E
NEW QUESTION # 99
In terms of protection capability, which of the following topologies has the strongest protection capability?
- A. Linear topology
- B. Mesh topology
- C. Tree topology
- D. Star topology
- E. Ring topology
Answer: B
NEW QUESTION # 100
Which of the following is the reason why the pump light output power of the RAMAN amplifier is very high?
- A. Raman amplifiers increase pump output power to obtain better noise characteristics
- B. The threshold power for the stimulated Raman scattering effect is high, so Raman requires a high- power output of the pump light
- C. Raman needs to obtain much greater gain than EDFA, so the pump output power is increased
- D. Raman amplification is performed in the transmission fiber, and the pump light needs to be transmitted over a long distance, so the output power needs to be increased.
Answer: B
NEW QUESTION # 101
Which is the basic requirement of DWDM system for light source?
- A. Output wavelength is relatively stable
- B. High luminous power
- C. Using direct modulation method
- D. Dispersion tolerance is relatively low
Answer: A
NEW QUESTION # 102
The frame structure of ODU4 is four times that of ODU1
- A. False
- B. True
Answer: A
NEW QUESTION # 103
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