合格させるH31-341_V2.5-ENU試験一発合格保証100%カバー率でリアル試験問題 [2025年12月]
有効なH31-341_V2.5-ENUテスト解答Huawei H31-341_V2.5-ENU試験PDF問題を試そう
質問 # 21
For a typical fixed WDM system, the channel spacing is N*5Oghz, for a WDM system based on the FlexGrid optical platform, the channel spacing is N*12.5Ghz.
- A. True
- B. False
正解：A
質問 # 22
The control link and the control channel have different functions and are independent of each other. The control link is flooded to the whole network by the OSPF protocol, and each intelligent network element saves the control link information of the whole network. The control channel will not flood the entire network, and each intelligent network element only manages and saves its own control channel.
- A. False
- B. True
正解：A
質問 # 23
Which of the following are not 400G transmission modulation technologies?
- A. Multicarrier Generation and Multiplexing
- B. Higher order modulation (xQAM)
- C. FDDM/Nyquist Spectrum Compression Technology
- D. Advanced oDSP algorithm
正解：D
質問 # 24
In CV/FFD detection, the Ingress node sends a detection message at a certain period, and the Egress node uses how many times the sending cycle as the detection cycle, detect the number of received detection messages and the content of the message?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
質問 # 25
Regarding the system architecture of NG WDM products, which of the following descriptions are correct? (Multiple choice)
- A. The L1 electrical layer supports cross-scheduling of ODUk services.
- B. The LO optical layer supports multiplexing/demultiplexing of optical wavelengths and adding/dropping of DWDM optical signals.
- C. NG WDM adopts LO+L1+L2+L3 architecture.
- D. The L2 layer implements switching based on Ethernet/MPLS-IP.
- E. The L3 layer realizes routing exchange based on TCP/IP.
正解：A、B、D
質問 # 26
Before performing optical power commissioning on the ROADM board, configure virtual optical layer services; otherwise, the ROADM board blocks all wavelengths by default.
- A. True
- B. False
正解：A
質問 # 27
If a ROADM site adopts WSS+RMU configuration, which of the following impact on SOM is wrong?
- A. If the RMU is used locally to add waves and has an optical amplifier, the OSNR value of the wavelength detected by the SOM in the pass-through direction will deviate from the actual value
- B. There is an optical amplifier locally but no filter. The full-wave noise of the local optical amplifier affects the OSNR of the wavelength in the pass-through direction.
- C. The source and sink optical amplifiers of the optical crossover at this site must be in the same network element
正解：A
質問 # 28
Which of the following descriptions about OptiXtrans E6600/OptiX OSN 1800 is correct?
- A. When the OptiXtrans E6616/OptiX OSN 1800 V Pro uses the TMK5SXCH cross-connect board, the current maximum capacity of the single-slot ODUk is 400 Gbit/s.
- B. The OptiXtrans E6608/OptiX OSN 1800II Pro fan box adopts a right-in and left-out exhaust cooling method.
- C. The OptiXtrans E6608/OptiX OSN 1800II Pro DC chassis can accommodate up to 7 service boards.
- D. OptiXtrans E6616/OptiX OSN 1800 V Pro adopts MS-OTN unified switching, has a large service access capacity, can realize the scheduling of electrical layer signal service convergence nodes, and enhance network flexibility.
正解：D
質問 # 29
Wavelength division multiplexing technology is to multiplex optical signals of different wavelengths into the same optical fiber for transmission.
- A. True
- B. False
正解：A
質問 # 30
In unstructured emulation mode (SAToP), WS-OTN equipment provides the function of compressing idle 64 Kbit/s time slots in E1 signals to save transmission bandwidth.
- A. False
- B. True
正解：A
質問 # 31
Which of the following statements is correct about the alarm caused by the mismatch? (Multiple choice)
- A. All of the above are correct
- B. J1 byte mismatch may also cause service interruption
- C. J0 byte mismatch will generate RS-TNWM alarm
- D. C2 byte mismatch will generate HP-UNEQ alarm
正解：B、C
質問 # 32
Which of the following descriptions about the structure and functions of each WDM system is correct? (Multiple choice)
- A. A combiner is a device with multiple output ports and one input port
- B. 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
- C. The amplifier realizes the optical relay and electrical relay function of the signal
- D. Use optical monitoring technology to transmit monitoring and management data through monitoring channels between network elements
正解：B、D
質問 # 33
For a system with an optical amplifier, the upper threshold of the received optical power of the wavelength division side of the OTU single board and the line single board (APD type receiving laser) is -3 dB at the receiving overload point of the optical module.
- A. True
- B. False
正解：A
質問 # 34
For an amplifier, the smaller its noise figure (NF) value, the less noise it introduces, and the longer distance it can transmit under the same conditions.
- A. True
- B. False
正解：A
質問 # 35
Which of the following is the multiplexing method of SDH?
- A. Flexible mapping and synchronous multiplexing
- B. Flexible mapping
- C. Flexible mapping and asynchronous multiplexing
- D. Asynchronous multiplexing
正解：A
質問 # 36
When a 80 wave ROADM site uses a TM20 for multiplexing, an ITL board must be configured.
- A. True
- B. False
正解：A
質問 # 37
Which of the following statements about the alarm reversal function is wrong?
- A. By default, it is the non-reversal mode. In this mode, the alarm of the device port cannot be reversed.
- B. In the automatic recovery mode, regardless of whether there is an alarm on the port, the alarm of the port device can be reversed
- C. For ports that have not opened services, alarm reversal is used to avoid related alarms
- D. After the alarm of the port device is reversed, no alarm will be reported when there is an actual alarm, and an alarm will be reported when there is no actual alarm.
正解：B
質問 # 38
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