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Huawei H31-341_V2.5認定試験は、光ファイバー通信、イーサネットテクノロジー、WDMテクノロジー、MPLSテクノロジーの原則など、トランスミッションネットワークテクノロジーを強く理解している個人を対象としています。この試験に合格した候補者は、トランスミッションネットワークの設計、計画、メンテナンスの専門家として認識されています。
質問 # 95
The dispersion coefficient is the time delay difference caused by the optical wavelength signal passing through the unit length of optical fiber in the unit wavelength interval, so which of the following is the unit of the dispersion coefficient?
- A. ps/nm.km
- B. ps/km.nm
- C. ps/km
- D. ps/nm
正解：A
質問 # 96
Which of the following is correct about the processing of data frames by the ports of the data board? (Multiple choice)
- A. Hybrid ports can realize mixed transmission of tag and untag services
- B. It is not necessary to set the default VLAN ID of the port when the Ethernet port is set to Tag aware, and it is only necessary to set the default VLAN ID of the port when it is set to access
- C. The port set as the tag Aware attribute can only discard the data without vlan tag
正解：A、C
質問 # 97
The basic principle of MSTP equipment fault location is? (Multiple choice)
- A. Low speed first, then high speed
- B. Network first, then network elements
- C. High level first, then low level
- D. External first, then transmit
正解：B、C、D
質問 # 98
The performance indicators of the OTN circuit board focus on the input optical power and bit error rate. Abnormal optical power may cause bit errors. If the input optical power is too high, you can add optical attenuation to the IN port.
- A. True
- B. False
正解：A
質問 # 99
Compared with traditional SDH and SONET equipment, which of the following advantages does OTN have? (Multiple choice)
- A. Meet the transmission bandwidth requirements of each optical Tb/s through the wavelength division function
- B. Provide powerful out-of-band FEC function. Effectively guarantee the line transmission performance
- C. Provide up to 5 levels of nested heavy barbaric TCM connection monitoring
- D. Provide 2.7Gb/s, 10.7Gb/s, 43Gb/s and even 111.8Gb/s high-speed interface
- E. Support special virtual concatenation transmission mode to improve and optimize the network structure
正解：A、B、D、E
質問 # 100
Which of the following descriptions about PWE3 technology is correct? (Multiple choice)
- A. The internal data services carried by PWE3 are visible to the core network
- B. For PE3 emulation of Ethernet services, the PW control word can be manually configured on the PE
- C. PWE3 technology is a Layer 2 VLL solution
- D. PRE3 technology provides end-to-end virtual link emulation for ATM, Ethernet, and TDM services at the PS network boundary
正解：B、C、D
質問 # 101
The optical signal of () is multiplexed into the same optical fiber for transmission. We call it Wavelength Division Multiplexing in this way.
正解：
解説：
Different wavelengths
質問 # 102
The overall procedure for commissioning optical power of a system without an optical amplifier: adjust in sequence from upstream to downstream according to the flow direction of the signal, focusing on the optical power requirements of OTU boards, branch boards, line boards, and wavelength conversion boards. make adjustments
- A. True
- B. False
正解：B
質問 # 103
The decrease of signal-to-noise ratio at the receiving end will not cause bit errors.
- A. True
- B. False
正解：B
質問 # 104
When the GE service is encapsulated into the OTN frame structure and the SDH frame structure, the alarms reported by the client-side device are different.
- A. True
- B. False
正解：B
質問 # 105
Which of the following boards can realize the broadcast function of service signals in the receiving direction? (Multiple choice)
- A. WSD9
- B. TD20
- C. WSMD9
- D. DWSS20
正解：A、B、C、D
質問 # 106
In the scenario of setting the timeout period type of the LACP message, which of the following options are correct for the type of the timeout period of the message? (Multiple choice)
- A. Long cycle
- B. Ultra-short cycle
- C. Short cycle
- D. Medium cycle
正解：A、C
質問 # 107
Which of the following is wrong for the OTUk frame format description?
- A. The 1 to 16 byte column in the OTUk cis format is the overhead byte
- B. The OTUk format is a matrix of x4080 byte columns
- C. The 17 to 3825 byte column of the OTUt frame format is the payload data
- D. The 3825 to 4080 byte column of the OTUk frame format is the number of FEC codes
正解：C
質問 # 108
The OOS overhead is the optical layer overhead. Which of the following descriptions about the OOS overhead is wrong?
- A. Includes OMS overhead
- B. Including OTN overhead
- C. Including OCH overhead
- D. Including OTS overhead
正解：B
質問 # 109
In the 80-wave 6.653 system, if the system capacity requirement is not high, use () to increase the transmission distance, you can use the 40-wave hollow specification, available () (Multiple choice)
- A. 194.100THz-195.050THz
- B. 192.100THz-193.050THz
- C. 193.100THz-194.050THz
- D. 195.100THz-196.050THz
正解：B、D
質問 # 110
Which of the following statements about the safe use of optical fiber is wrong?
- A. The optical subtractor can only be added to the "IN" port, not to the "OUT" port
- B. When the received optical power is too high, an optical attenuator is required
- C. The light emitted by the laser is infrared light and is not strong, so you can point the connector at the human eye to observe whether there is light or not.
- D. To clean the optical fiber connector and the optical interface of the laser, special cleaning tools and materials must be used
正解：C
質問 # 111
In the extended SSM ring network dual BITS clock protection scenario, in order to prevent the clock signal from forming a loop, you only need to configure the external clock source and internal clock source ID of the network element connected to the active BITS, and the network element connected to the backup BITS does not need to be configured. Internal clock ID.
- A. True
- B. False
正解：B
質問 # 112
There is a slot mapping relationship between the OSN3500 processing board and the interface board. The processing board in slot 1 maps to the interface boards in slots 19-20.
- A. True
- B. False
正解：B
質問 # 113
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Huawei H31-341_V2.5（HCIP-Transmission V2.5）認定試験は、通信業界で働く専門家にとって非常に人気のある資格です。この認定は、トランスミッションネットワークの計画、運用、およびメンテナンスの分野における候補者の知識とスキルを検証するように設計されています。この試験では、光ファイバー伝送、パケット伝送、マイクロ波伝送、アクセスネットワークテクノロジーなど、幅広いトピックをカバーしています。
HCIP-Transmission V2.5認証サンプル問題と練習試験：https://www.passtest.jp/Huawei/H31-341_V2.5-shiken.html
リアルな試験問題と解答でHuawei H31-341_V2.5問題集が待ってます：https://drive.google.com/open?id=1rqh9hyUgKBfVQae_NOdPd50l5DGrlkvP