H31-311_V2.5 Actual Questions Answers PDF 100% Cover Real Exam Questions
H31-311_V2.5 Exam questions and answers
Huawei H31-311_V2.5 (HCIA-Transmission V2.5) Certification Exam is a challenging and comprehensive certification that requires a lot of preparation and dedication to pass. It is an industry-recognized certification that validates the skills and knowledge of professionals in the field of transmission network technology and is a valuable asset for anyone looking to advance their career in this area of expertise.
Huawei H31-311_V2.5 (HCIA-Transmission V2.5) Exam is a certification exam that tests an individual's knowledge and skills in the field of transmission network technology. Huawei, a leading global provider of information and communications technology (ICT) infrastructure and smart devices, offers this certification to help professionals advance their careers and stay up-to-date with the latest trends in the industry.
NEW QUESTION # 268
Which of the following are the benefits of polarization multiplexing technology? (Multiple choice)
- A. PDM-QPSK technology reduces the optical harmonic width of the optical signal, making 50GHz interval WDM transmission possible and increasing the optical utilization efficiency to 2bps/Hz
- B. The reduction of optical signal spectrum width will reduce the OSNR requirements of the optical transmission system, improve its dispersion tolerance and PMD tolerance performance, and enhance the ability to resist the nonlinear effects of optical fiber.
- C. PDM-QPSK modulation code can reduce the line transmission baud rate, greatly reducing the bandwidth requirements for (optical) electronic devices.
Answer: A,B,C
NEW QUESTION # 269
On the two-fiber bidirectional multiplex section protection ring, the first half of the VC-4 of each STM-N line is the working channel, and the second half of the VC-4 is the protection channel.
- A. True
- B. False
Answer: A
NEW QUESTION # 270
If you group SNCP services with the same source, sink, or route, you can increase the SNCP switching speed
- A. True
- B. False
Answer: A
NEW QUESTION # 271
Which of the following statements about OTN advantages is false?
- A. Provides powerful outband PEC functions to effectively guarantee the line transmission performance.
- B. Provides 2 J Gbit/s, 107 Gbit/s, 43 Gbit/s, and even 111.8 Gbit/s high-rate interfaces.
- C. Provides a maximum of five levels of nested or overlapped TCM connection monitoring.
- D. Satisfies the requirement for Tbit/s bandwidth per fiber through the WDM function.
Answer: C
NEW QUESTION # 272
What is the function of the overhead TCM in ODUk?
- A. Tandem Connection Monitoring Overhead
- B. Channel monitoring overhead
- C. General communication channel overhead
- D. Path Trace Identifier Overhead
Answer: A
NEW QUESTION # 273
Which of the following options are insufficient for Erbium-doped Fiber Amplifiers? (Multiple choice)
- A. Gain non-flatness
- B. Gain range is fixed and limited
- C. Low noise index
- D. Optical surge problem
Answer: A,B,D
NEW QUESTION # 274
The last 256 columns in the OTN frame structure are the FEC regions for forward error correction.
- A. True
- B. Error
Answer: A
NEW QUESTION # 275
In the SDH optical synchronous transmission system, which of the following bytes is used to transmit the quality and weight and usage information of the clock source?
- A. M1
- B. N1
- C. S1
- D. G1
Answer: C
NEW QUESTION # 276
UNS5 board supports mixed transmission of OTN services, SDH services and packet services with a total bandwidth not exceeding 200Gbit/s.
- A. True
- B. False
Answer: A
NEW QUESTION # 277
The STAT indicator on the SDH board flashes red, on for 100ms and off for 100ms. Which of the following is the meaning of the indicator status?
- A. Hardware mismatch
- B. Normal operation
- C. Hardware failure
- D. No power input
Answer: A
NEW QUESTION # 278
In the following alarms, which options are detected by the MSA function block? (Multiple choice)
- A. MS-REI
- B. AU-LOP
- C. MS-AIS
- D. AU-AIS
Answer: B,D
NEW QUESTION # 279
The DWDM system has extremely high requirements on the stability of the light source. Which of the following factors affect the stability of the light source? (Multiple choice)
- A. Humidity
- B. Packaging
- C. Driving current
- D. Temperature
Answer: B,C,D
NEW QUESTION # 280
Which of the following options are included in the function blocks included in the HOI high-level interface? (Multiple choice)
- A. HPT
- B. LPA
- C. PPI
- D. HPC
Answer: A,B,C
NEW QUESTION # 281
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. Error
Answer: A
NEW QUESTION # 282
The frame period of OTN signal is fixed and the same as the frame period of SDH signal.
- A. False
- B. True
Answer: A
NEW QUESTION # 283
Which of the following descriptions of LCAS is wrong?
- A. Use SDH overhead bytes (high-order virtual concatenation uses K4, low-order virtual concatenation uses H4) to carry control information and perform handshake operations between the source and the sink
- B. If the belt curtain of a VCTrunk is not suitable and needs to be increased or decreased, the belt curtain can be adjusted through LCAS, which only requires increasing or decreasing the number of VCTrunk members to achieve smooth belt curtain upgrade without interrupting business
- C. TR_TIMR is the waiting time for recovery, which refers to the time it takes for the time slot shielded by LCAS to be added to the LCAS virtual cascade group after it changes from bad to good.
- D. When some members fail, other members still transmit data normally; when the failed members are repaired, the bandwidth of the virtual cascade group can be automatically restored.
Answer: A
NEW QUESTION # 284
NEA and NEB are adjacent NEs. If day 3 and low-order bit errors occur in the A>day direction, and day 1082, B3 and low-order bit errors occur in the B>A direction, which of the following performance events are reported by NEA? (Multiple choice)
- A. HPBBE
- B. RSFEBBE
- C. MSFEBBE
- D. HPFEBBE
- E. MSBBE
- F. RSBBE
Answer: A,D,E,F
NEW QUESTION # 285
According to the formula "OTUk rate = 255/(239 - k) x STM-N frame rate", the OTU3 signal rate is 255/236 x STM-N frame rate.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 286
When the optical fiber is connected but the business is not available, E1 or E2 bytes can be used for official communication between the sites.
- A. True
- B. False
Answer: A
NEW QUESTION # 287
You can view the NE license status and replace the license that is about to expire in a timely manner to prevent the impact of license expiration on services.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 288
When ODUk 5NCP is configured, common WDM services can be converted into SNCP services, but SNCP services cannot be converted into common WDM services.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 289
Which of the following descriptions of the OTUk frame format is wrong?
- A. The 17 to 3825 byte columns in the OTUt frame format are payload data
- B. The 3825 to 4080 byte columns in the OTUk frame format are the FEC coded numbers.
- C. Bytes 1 to 16 in the OTUk sequential format are overhead bytes
- D. The OTUk format is a matrix of x4080 byte columns.
Answer: A
NEW QUESTION # 290
SES: There are 5% or more of the error blocks or at least one defect (OCI/AIS/LCK/IAE/LTC/TIM/PLM) in one second.
- A. False
- B. True
Answer: A
NEW QUESTION # 291
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Huawei H31-311_V2.5 (HCIA-Transmission V2.5) Certification Exam is an industry-recognized certification exam designed by Huawei for professionals who want to validate their skills and knowledge in the field of transmission network technologies. HCIA-Transmission V2.5 certification exam validates the knowledge and skills required for planning, designing, operating, and maintaining transmission network systems. It is an ideal certification for professionals who are looking to advance their careers in the telecommunications industry.
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