First Attempt Guaranteed Success in H31-311_V2.5 Exam 2025
Real H31-311_V2.5 Exam Questions are the Best Preparation Material
To prepare for the Huawei H31-311_V2.5 (HCIA-Transmission V2.5) exam, candidates need to have a good understanding of the fundamentals of transmission networks, as well as practical experience in configuring and managing transmission devices. Candidates can also opt for online training courses and study materials provided by Huawei to help them prepare for the exam. Upon successful completion of the exam, candidates will receive the HCIA-Transmission V2.5 certification, which will open up numerous career opportunities in the telecommunications industry.
NEW QUESTION # 73
Which of the following options are the advantages of arrayed waveguide gratings? (Multiple choice)
- A. Many channels
- B. Passband flatness
- C. Low insertion loss
- D. Small wavelength interval
Answer: A,B,D
NEW QUESTION # 74
The Raman amplifier uses which of the following effects?
- A. Dispersion
- B. Four Wave Mixing (FWM)
- C. Raman scattering
- D. Self-Phase Modulation (SPM)
Answer: C
NEW QUESTION # 75
Which of the following is the multiplexing method of SDH?
- A. Flexible mapping
- B. Flexible mapping and synchronous multiplexing
- C. Flexible mapping and asynchronous multiplexing
- D. Asynchronous multiplexing
Answer: B
NEW QUESTION # 76
Which of the following are the service board types for MSTP devices? (Multiple choice).
- A. Service processing board with interface
- B. Service processing board
- C. Auxiliary board
- D. Interface board
Answer: A,B,D
NEW QUESTION # 77
AAC address consists of 46 bits and is globally unique. Which of the following is the meaning of a MAC address with the eighth bit being 1?
- A. Double-click the address
- B. Unicast address
- C. Broadcast address
- D. Multicast address
Answer: D
NEW QUESTION # 78
The AU pointer indicates the position of the J1 byte of the VC-4 in this frame.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 79
If the overhead bytes pass through two plugged backplane buses, then the two slots are called paired slots that enable automatic transparent transfer of overhead bytes, such as (), () and (). Even if the SCC on the local network element The board is offline, which can also improve msP switching performance and protect DCC communication with other network elements. (Multi-quality selection).
- A. D bytes
- B. B1 word strip
- C. E1 bytes
- D. K bytes
Answer: A,C,D
NEW QUESTION # 80
Which of the following is the functional unit that provides serial data for the interface and system associated with the orderwire phone?
- A. Tributary units
- B. Auxiliary unit
- C. Cross-connecting unit
- D. Line units
Answer: B
NEW QUESTION # 81
Which of the following alarm/event dump modes does U2000 support? (Multiple choice)
- A. Overflow dumping
- B. Manual dumping
- C. Regular dumping of alarm logs
- D. Automatic dumping
Answer: A,B,C
NEW QUESTION # 82
In QinQ, the TPID values of the inner and outer labels of the device are both 0x8100 as specified in the protocol. This value cannot be changed. If it changes, the frame will be discarded.
- A. True
- B. False
Answer: B
NEW QUESTION # 83
In OSN550, the CX slot contains a function board integrating the system control and communication (SCC) unit, the cross-connect unit and the clock unit. There are many types of function boards according to the functions and access functions provided by OSN550.
- A. True
- B. False
Answer: A
NEW QUESTION # 84
K1 and K2 bytes can transmit APS switching signaling and can also indicate the failure of the signal in the multiplexing segment.
- A. True
- B. False
Answer: A
NEW QUESTION # 85
All bytes in the SOH frame structure will be scrambled.
- A. True
- B. False
Answer: B
NEW QUESTION # 86
Dynamic PW refers to a PW established through a signaling protocol. Currently, the main PW signaling protocol is RSVP-TE.
- A. True
- B. False
Answer: B
NEW QUESTION # 87
For ODUk SNCP protection, if the pass-through site is an electrical relay site, it is recommended to configure the SNCP type as SNC/I when configuring the protection.
- A. True
- B. False
Answer: B
NEW QUESTION # 88
Currently, the most commonly used signal is 2Mbit/s. Which of the following steps are involved in the process of multiplexing 2Mbit/s signals into STM-N? (Multiple choice)
- A. Add pointer
- B. Add segment overhead
- C. Scrambling
- D. Rate Adaptation
Answer: A,B,D
NEW QUESTION # 89
Which of the following descriptions of the OTUk frame format is wrong?
- A. Bytes 1 to 16 in the OTUk sequential format are overhead bytes
- B. The 17 to 3825 byte columns in the OTUt frame format are payload data
- C. The OTUk format is a matrix of x4080 byte columns.
- D. The 3825 to 4080 byte columns in the OTUk frame format are the FEC coded numbers.
Answer: B
NEW QUESTION # 90
From the perspective of single board implementation, what are the main types of ESC? (Multiple choice)
- A. Fixed frame structure DCC
- B. Insert DCC
- C. Top adjustment DCC
Answer: A,B,C
NEW QUESTION # 91
The RI1/TO1 optical port of the OLP board can be used as both a working channel and a protection channel.
- A. True
- B. False
Answer: B
NEW QUESTION # 92
Communication networks can be divided into local area networks, wide area networks, and metropolitan area networks between local area networks and wide area networks according to the geographical scope they cover. The characteristics of wide area networks are low latency, high data rate, and reliable transmission.
- A. True
- B. False
Answer: B
NEW QUESTION # 93
Multicast forwarding can be understood as selective broadcasting. The host listens to a specific multicast address, receives and processes frames whose destination MAC address is the multicast MAC address.
- A. True
- B. False
Answer: A
NEW QUESTION # 94
The optical amplifier unit compensates for line losses and extends the transmission distance. Connecting multiple optical amplifier units in cascaded mode allows for extended transmission distances without following the system.
- A. True
- B. False
Answer: B
NEW QUESTION # 95
TM is a terminal multiplexer, and its functions are: the line end inputs/outputs one STM-N signal, and the branch port can output/input multiple low-speed branch signals.
- A. True
- B. False
Answer: A
NEW QUESTION # 96
According to the OTU board naming rules, which of the following descriptions of the letters in the MS04 board is wrong?
- A. 04: Indicates that the board has 4 client-side connections
- B. M: represents optical wavelength conversion board
- C. S: indicates that the board has only one WDM side port
Answer: A
NEW QUESTION # 97
......
Practice LATEST H31-311_V2.5 Exam Updated 750 Questions: https://www.updatedumps.com/Huawei/H31-311_V2.5-updated-exam-dumps.html
Download Latest H31-311_V2.5 Dumps with Authentic Real Exam QA's: https://drive.google.com/open?id=1xSsfkwf1TVyKpQeOgPhp804PK6pEXDDm