Huawei H31-311_V2.5 Exam Info and Free Practice Test | Free4Dump
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The H31-311_V2.5 certification exam is meant for professionals who are interested in enhancing their knowledge and skills in the field of transmission technology. H31-311_V2.5 exam covers a wide range of topics, including the basics of transmission technology, the principles of network transmission, the planning and design of transmission networks, and the maintenance and troubleshooting of transmission systems. H31-311_V2.5 exam is designed to test the practical skills and knowledge of professionals in the field of transmission technology, making it a valuable certification for individuals looking to advance their careers in this field.
Huawei H31-311_V2.5 certification exam is an advanced level exam that tests the candidate's ability to handle complex transmission network scenarios. It covers various topics such as the principles of transmission network, the characteristics of transmission media, the use of optical fibers, the deployment of microwave links, the configuration of transport equipment, and the troubleshooting of transmission network faults. H31-311_V2.5 exam is conducted online and consists of multiple-choice and simulation questions.
The Huawei H31-311_V2.5 exam covers various topics related to the transmission network technology, including the fundamentals of transmission networks, the principles of optical transmission, and the latest technologies used in the transmission network. H31-311_V2.5 exam also covers topics such as network planning, network optimization, and how to troubleshoot transmission network issues. H31-311_V2.5 exam is designed to be comprehensive and covers all the necessary topics to ensure that individuals who pass the exam have a thorough understanding of transmission network technology.
NEW QUESTION # 78
Among the maintenance signals at the ODUk level, which of the following maintenance signals are included in the STAT bits of PM and TCM? (Multiple choice)
- A. AAIS
- B. IAE
- C. OCI
- D. LCK
Answer: A,C,D
NEW QUESTION # 79
Which of the following descriptions about the process of multiplexing ODU1 to ODU2 is correct?
- A. ODU1->OPU2->ODTU12->ODTUG2->ODU2
- B. ODU1->ODTU12->OPU2->ODTUG2->ODU2
- C. ODU1->ODTUG2->ODTU12->OPU2->ODU2
- D. ODU1->ODTU12->ODTUG2->OPU2->ODU2
Answer: D
NEW QUESTION # 80
Which of the following is the unit that converts non-standard wavelengths to standard wavelengths specified by ITU-T?
- A. ODU
- B. OUT
- C. TU
- D. OMU
Answer: B
NEW QUESTION # 81
The emergence of QinQ is mainly aimed at which of the following prominent problems in the network? (Multiple choice)
- A. Network configuration and maintenance work is relatively complicated
- B. The network's VLAN space is insufficient.
- C. The price of a board supporting MPLS is very high, which is unaffordable for small users.
- D. Many vendors' Layer 3 switches do not support MPLS functions
Answer: A,C,D
NEW QUESTION # 82
Which of the following light sources has the best dispersion tolerance and stability?
- A. Mach-Zehnder modulates the light source
- B. None of the above
- C. EA modulates the light source
- D. Direct modulation of the light source
Answer: A
NEW QUESTION # 83
OTUk_UAS is the unavailable seconds of the optical transmission segment. Unavailable seconds refer to severe error seconds that last for more than 10 seconds. In this case, the unavailable time starts from the 11th second, but the severe error seconds of these 10 seconds are also counted into the unavailable time. When severe error seconds disappear for more than 10 seconds, the available time starts from the 11th second, and the 10 seconds without severe error seconds are also counted into the available time.
- A. True
- B. False
Answer: A
NEW QUESTION # 84
Which of the following statements is correct about the SSN1SEP1 service processing board?
- A. In terms of logical configuration, SSNISEP must be used in conjunction with the interface board;
- B. SSN1SEP1 can be used in any slot of OSN3500 without restriction;
- C. In terms of logical configuration, SSNISEP1 does not need to be used in conjunction with the interface board and supports TPS protection;
- D. SSN1SEP1 can only work with the interface board to provide 155M electrical port services;
Answer: A
NEW QUESTION # 85
Which of the following steps are generally required to multiplex low-speed services into high-speed SDH services? (Multiple choice)
- A. Overhead Insertion
- B. Mapping
- C. Positioning
- D. Reuse
Answer: B,C,D
NEW QUESTION # 86
Nonlinear effects are closely related to optical power. To prevent nonlinear effects, the total optical power on the optical fiber should be less than 29dBm.
- A. True
- B. False
Answer: A
NEW QUESTION # 87
Which of the following media types has a transmission distance of no more than 1 km?
- A. 10GBASE-ER
- B. 10GBASE-SR
- C. 10GBASE-LR
- D. 1000BaseLX
Answer: B
NEW QUESTION # 88
U2000 network management supports multiple external interfaces. When connecting with the network management of other manufacturers' equipment, which of the following interfaces can be used?
- A. MML
- B. QX
- C. TL1
- D. CORBA
Answer: D
NEW QUESTION # 89
Which of the following layers define the protocols that control the network layer? The protocols at this layer apply to logical links, that is, end-to-end connections between two devices.
- A. Application layer
- B. Data Link Layer
- C. Network layer
- D. Transport layer
Answer: D
NEW QUESTION # 90
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. False
Answer: A
NEW QUESTION # 91
Which of the following is the default WTR time for MSP switching?
- A. 15 minutes
- B. 12 min
- C. 10 minutes
- D. 6 min
Answer: C
NEW QUESTION # 92
H4 is used to indicate the () and () of the payload.
Answer:
Explanation:
Multiple categories | Net load
NEW QUESTION # 93
MSP is a network-level protection solution. MSP does not directly protect services, and even if there is no service on the MSP ring, MSP switching and recovery will not be affected.
- A. True
- B. False
Answer: A
NEW QUESTION # 94
Which of the following optical fibers has the following dispersion characteristics: the dispersion is 0 at 1310nm, and the typical dispersion coefficient is 17ps/nm.km near 1550nm?
- A. G.653
- B. G.655
- C. G.652
- D. G.654
Answer: C
NEW QUESTION # 95
Which of the following options are correct about the problem that the emergence of WDM can solve (P170)? (Multiple choice)
- A. Short transmission distance
- B. Insufficient bandwidth capacity
- C. Optical cable resources are tight
- D. Inflexible rate upgrade
Answer: A,B,C,D
NEW QUESTION # 96
When the network is in synchronous working state, the pointer is used to synchronize the signals ()
Answer:
Explanation:
Phase calibration
NEW QUESTION # 97
According to the formula "ODUk rate = 239/(239-k)*STM-N frame rate", the ODU4 rate is equal to
239/235xSTM-N frame rate.
- A. True
- B. False
Answer: B
NEW QUESTION # 98
Which of the following descriptions about signal marker byte C2 is wrong?
- A. C2 byte setting requires that the sender and receiver match
- B. If the receiving and sending are mismatched, the corresponding VC-4 channel on the local end generates an LP_SLM alarm
- C. Its function is to indicate the multiplexing structure of the VC frame and the nature of the information payload
- D. C2=00H means the VC-4 is not loaded
Answer: B
NEW QUESTION # 99
The SDH optical interface only scrambles the electrical signals.
- A. True
- B. False
Answer: A
NEW QUESTION # 100
Which of the following correctly describes the order in which the signal flow between the SDH interface and the cross-unit passes through the module units?
- A. SPIMSTRSTMSAMSPHPT
- B. SPIRSTMSTMSPMSAHPT
- C. SPTMSTMSARSTMSPHPT
- D. SPIRSTMSAMSPMSTHPT
Answer: B
NEW QUESTION # 101
In case of SNCP, the line board selectively receives the service. Therefore, SNCP can protect the service on the line.
- A. True
- B. False
Answer: B
NEW QUESTION # 102
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