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Huawei H31-311_V2.5 Real Exam Questions and Answers FREE
Huawei H31-311_V2.5 (HCIA-Transmission V2.5) exam is a certification test that validates the skills and knowledge of candidates in the field of transmission network technologies. H31-311_V2.5 exam assesses the ability of individuals to design, configure, and troubleshoot transmission network solutions using Huawei devices and technologies. Successful candidates will demonstrate proficiency in topics such as optical fiber transmission, microwave transmission, and network planning and optimization.
NEW QUESTION # 289
Which of the following is not a condition for triggering multiplex section protection (MSP)?
- A. MS-AIS signal detected
- B. R-LOS detected
- C. Detection of AU-AIS
- D. R-LOF detected
Answer: C
NEW QUESTION # 290
Which of the following optical loss alarms will not cause service interruption? (Multiple choice)
- A. CHAZ_LOS
- B. R_LOS
- C. MUT_LOS
- D. OSC_LOS
Answer: A,D
NEW QUESTION # 291
Array waveguide grating (AWG) multiplexer/multiplexer has the following advantages: short wavelength spacing, large number of channels and flat passband. Suitable for DWDM systems in ultra-high speed, large tubes.
- A. True
- B. Error
Answer: A
NEW QUESTION # 292
When the number of block errors detected by the B2 byte received at the recerve end is returned to the transmit end through the Ml byte, which of the following alarms or performance events are reported at the transmit end?
- A. MS_BBF
- B. MS_AIS
- C. MS_REI
- D. MS_FEBBF
Answer: C,D
NEW QUESTION # 293
When BIP-8 in the OTUk segment monitoring overhead SM detects a bit error block, what alarm may be reported? (Multiple choice)
- A. OTUk_EXC
- B. ODUk_DEG
- C. OTUk_DEG
- D. ODUk_EXC
Answer: A,C
NEW QUESTION # 294
Which of the following are the main advantages of SDH? (Multiple choice)
- A. Powerful OAM functions
- B. Interface Specifications
- C. Strong compatibility
- D. Large capacity
- E. Synchronous multiplexing
Answer: A,B,C,E
NEW QUESTION # 295
When OSN 3500 uses GXCSA, it supports 2 10G slots; when using EXCSA, it supports 4 10G slots.
- A. True
- B. False
Answer: A
NEW QUESTION # 296
For MSPs, you need to set the MSP protocol ID for each NE. To ensure that each ID is unique, it is recommended to set the MSP protocol ID to the value that is compatible with the network element ID.
- A. False
- B. True
Answer: A
NEW QUESTION # 297
Which of the following technologies is the main difference between an open DWDM system and an integrated DWDM system?
- A. Optical supervision technology
- B. Optical release technology
- C. Multiplexing/multiplexing technique
- D. Wavelength conversion techniques
Answer: D
NEW QUESTION # 298
Which of the following options are the main characteristics of the transmission network? (Multiple choice)
- A. Long distance
- B. Reliability
- C. Large capacity
- D. Multi-service access
Answer: A,B,C,D
NEW QUESTION # 299
Which of the following boards is not an optical layer board?
- A. Optical monitoring board
- B. Photosynthetic wave board
- C. Optical wavelength conversion board
- D. Optical Add/Drop Multiplexing Board
Answer: C
NEW QUESTION # 300
The 1310nm and 1550nm transmission windows are low-loss windows. In a DWDM system, only the 1550nm transmission window is used. Which of the following is the main reason?
- A. The EDFA operating wavelength flatness region is included in this window
- B. 1550nm wavelength region is suitable for long-distance transmission
- C. The nonlinear effect in the 1550nm wavelength region is very small
- D. None of the above
Answer: A
NEW QUESTION # 301
Which of the following methods are included in WDM networking and application? (Multiple choice)
- A. Chain type
- B. Mesh
- C. Point to point
- D. Ring
Answer: A,C,D
NEW QUESTION # 302
In OTN, which of the following maintenance signals is transmitted from the downstream site to the upstream site?
- A. AIS
- B. IAE
- C. LCK
- D. BDI
Answer: D
NEW QUESTION # 303
Which of the following alarms will be reported when performing a fiber cut test on a common MSP ring? (Multiple choice)
Answer:
Explanation:
B.C.
NEW QUESTION # 304
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