[Full-Version] 2025 New DumpsFree H31-311_V2.5 PDF Recently Updated Questions
H31-311_V2.5 Exam with Guarantee Updated 750 Questions
Huawei H31-311_V2.5 exam is ideal for professionals who work in the field of transmission network technologies, including network engineers, network architects, and network administrators. HCIA-Transmission V2.5 certification is also beneficial for those who wish to advance their careers in the telecommunications industry and improve their job prospects. By passing H31-311_V2.5 exam, candidates prove their ability to work with Huawei technologies and devices, which are widely used in the telecommunications industry.
Huawei H31-311_V2.5 certification exam is an essential certification for individuals seeking to advance their careers in the telecommunication industry. HCIA-Transmission V2.5 certification provides individuals with the necessary skills and knowledge to operate, maintain, and troubleshoot transmission networks. It also opens up new career opportunities for individuals and enhances their credibility and recognition in the industry. Candidates can prepare for the exam by attending training courses, reading study guides, and taking practice tests.
NEW QUESTION # 252
When the optical cable is laid by traction, the main traction force should be applied to the () of the optical cable.
Answer:
Explanation:
Strengthening components
NEW QUESTION # 253
WDM is called ()
Answer:
Explanation:
Wavelength Division Multiplexing Technology
NEW QUESTION # 254
According to the number of optical fibers between adjacent network element nodes, the self-healing ring can be divided into () and ()
Answer:
Explanation:
One-way loop |Two-way loop
NEW QUESTION # 255
Which of the following is the multiplexing method of SDH?
- A. Asynchronous multiplexing
- B. Flexible mapping and asynchronous multiplexing
- C. Flexible mapping
- D. Flexible mapping and synchronous multiplexing
Answer: D
NEW QUESTION # 256
The number of ODU2e signals multiplexed into the ODU3 signal is the same as the number of ODU2 signals multiplexed into the ODU3 signal
- A. yes
- B. False
Answer: B
NEW QUESTION # 257
EPL service realizes exclusive use of ports and bandwidth. Different users may need to share resources. In order to isolate user data, which of the following methods cannot be used to solve this problem?
- A. Configure ERPS
- B. QinQ Technology
- C. VLANID
- D. MPLS label
Answer: A
NEW QUESTION # 258
The frame structure of ODU4 is four times that of ODU1
- A. True
- B. False
Answer: B
NEW QUESTION # 259
Which of the following is the electrical layer cost of OTN? (Multiple choice).
- A. och
- B. OTUR
- C. ODUk
- D. OPUk
Answer: B,C,D
NEW QUESTION # 260
According to the number of transmission modes in the optical fiber, optical fiber can be divided into () and ().
Answer:
Explanation:
Single fiber unidirectional | Single fiber bidirectional
NEW QUESTION # 261
The difference between dispersion compensation fibers and ordinary optical fibers is that the dispersion compensation fibers have a negative dispersion coefficient at ().
- A. 800nm
- B. 1310 nm
- C. 1650nm
- D. 1550nm
Answer: D
NEW QUESTION # 262
Which of the following statements about an Ethernet switch is incorrect?
- A. It floods frames when the destination address is not learned.
- B. It learns MAC addresses by examining the source MAC address of each frame.
- C. It forwards frames based on the destination MAC address.
- D. It filters frames based on the source MAC address.
Answer: D
NEW QUESTION # 263
RAMAN amplifier utilizes which of the nonlinear effects?
- A. Raman scattering
- B. Four-wave mixing
- C. Dispersion
- D. Self-Phase Modulation
Answer: A
NEW QUESTION # 264
The SDH optical interface only scrambles the electrical signals.
- A. False
- B. True
Answer: B
NEW QUESTION # 265
In the OTN mapping path, the ODUk signal can only be obtained by mapping the OPUk signal at the same level.
- A. False
- B. True
Answer: B
NEW QUESTION # 266
Which overhead bytes of SDH are used by the LCAS function to carry control information and perform handshake operations between the source and sink? (Multiple choice)
Answer:
Explanation:
A.D.
NEW QUESTION # 267
() is a parameter used to describe the reliability of the transmission system.
Answer:
Explanation:
Bit Error Rate
NEW QUESTION # 268
By default, a B2-EXC alarm is reported when the number of B2 bit errors exceeds the () threshold.
- A. 0.00001
- B. 0.001
- C. 0.01
- D. 0000000001
Answer: B
NEW QUESTION # 269
LCK insertion takes precedence over AIS insertion. That is, if the user configures LCK insertion and the conditions for automatic AS insertion are met, the LCK is inserted.
- A. False
- B. True
Answer: B
NEW QUESTION # 270
According to the OTU board naming rules, which of the following descriptions of the letters in the MS04 board is wrong?
- A. S: indicates that the board has only one WDM side port
- B. 04: Indicates that the board has 4 client-side connections
- C. M: represents optical wavelength conversion board
Answer: B
NEW QUESTION # 271
Which of the following descriptions about ROADM boards are wrong? (Multiple choice)
- A. WSM9 realizes the dynamic and configurable wavelength division function of any wavelength to any port
- B. RMU9 can add wavelengths of 9 signals. Its add-wave port can be used with an OTU board with tunable wavelength to achieve full dynamic input of 9 signals.
- C. WSD9 realizes the dynamic and configurable multiplexing function of any wavelength to any port
- D. RDU9 realizes the broadcast function of business signals in 9 directions
Answer: A,B,C
NEW QUESTION # 272
QINQ technology solves the problem of insufficient VLAN resources and provides L2 VPN that is cheaper than MPLS. Therefore, the application scenarios of QINQ are much wider than MPLS.
- A. True
- B. False
Answer: B
NEW QUESTION # 273
Regarding the comparison between Raman amplifier and EDFA, which of the following statements is wrong?
- A. Raman amplifiers can amplify signals of different bands by selecting different pump sources, so Raman amplifiers theoretically have no gain bandwidth limitation, while EDFA has a limited gain bandwidth.
- B. The gain medium of the Raman amplifier is the transmission fiber; while the gain medium of the EDFA is EDF (doped fiber) D. The equivalent noise index of the Raman amplifier is smaller than that of the EDFA
- C. The gain calculation/test method of Raman amplifier and EDFA is the same, both are "Gain = Output Power - Input Power"
Answer: C
NEW QUESTION # 274
For alignment; Indicates the starting position of VC-n in the corresponding AU or TU frame. * This way: The receiver can correctly remove the corresponding VC from STM-N, and then The VC and C packages are separated into separate low-rate signals, such as PDH, which means that the low-rate path signal can be dropped directly from the STM-N signal.
- A. False
- B. True
Answer: B
NEW QUESTION # 275
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Huawei H31-311_V2.5 (HCIA-Transmission V2.5) Certification Exam is intended for those individuals who have a good understanding of the principles and technologies used in the transmission network. H31-311_V2.5 exam aims to evaluate the candidate's knowledge and skills in the areas of optical fiber transmission, microwave transmission, and data communication technologies. HCIA-Transmission V2.5 certification exam covers a wide range of topics, including transmission network principles, equipment installation and commissioning, network maintenance, and troubleshooting.
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