Latest [Aug 23, 2023] Huawei H31-311_V2.5 Real Exam Dumps PDF
H31-311_V2.5 Practice Test Questions Updated 200 Questions
NEW QUESTION # 38
Which overhead below 112 is not ODUk overhead?
- A. APs/PCc
- B. Traditional Chinese Medicine
- C. NJO
- D. PM
Answer: C
NEW QUESTION # 39
Automatic Laser Shutdown (ALS): When no optical signal is received, the ALS function automatically turns off the corresponding optical module. This feature protects field maintenance personnel.
- A. True
- B. Error
Answer: A
NEW QUESTION # 40
Which of the following is the frame indicated by the VC-4 J1 byte by the AU pointer of the current frame?
- A. Previous frame
- B. Current framework
- C. None of the above
- D. Next frame
Answer: D
NEW QUESTION # 41
Which of the following ITLI-T recommendations define the OTN frame structure?
- A. G.975
- B. G.709
- C. G.652
- D. G.694
Answer: B
NEW QUESTION # 42
Which of the following bytes in the regenerator part overhead are associated with R-OOF and R-LOF? (Multiple Choices)
- A. B1.
- B. B2
- C. A1
- D. A2 ()
Answer: C,D
NEW QUESTION # 43
In the case of a 1+1 linear MSP, which of the following switching modes does not require the APS protection protocol full (multiple choice) to be enabled
- A. Double-ended reply mode
- B. Double-ended non-reply mode
- C. Single-ended reply mode (correct case management).
- D. Single-ended non-reply pattern
Answer: C,D
NEW QUESTION # 44
Which of the following statements about the EFS4 board are correct? (Multiple choice).
- A. The plate must be used with the processing plate.
- B. The board has four FE ports. .
- C. The board interface is the LC interface.
- D. The board supports three layers of text exchange. .
Answer: B,D
NEW QUESTION # 45
SDH signals must be scrambled before they can be transmitted over optical fibers. Which of the following bytes is not scrambled? (Multiple choice).
- A. J1
- B. J0
- C. A1
- D. A2
Answer: B,C,D
NEW QUESTION # 46
The OTN signal has a fixed pad period, the same frame period as the SDH signal.
- A. False
- B. True
Answer: A
NEW QUESTION # 47
Which of the following statements about extending the ECC is incorrect?
- A. Extended ECC is divided into Auto Extended ECC and Extended ECC in specified mode.
- B. Extended ECC in specified mode indicates that a server and client need to be specified.
- C. C overlay, each server can link up to three clients.
- D. Auto-expanding ECC means an Ethernet port that uses a pass-through cable to connect two network elements
- E. You can enable auto-scaling ECC on up to four network elements. Under the Hand Extension
Answer: E
NEW QUESTION # 48
Which of the following is the feature of TCM overhead in ODUk signals?
- A. General communications and communication overhead
- B. In-line connection monitoring overhead
- C. Channel oversight fees
- D. Path trace identifier overhead
Answer: B
NEW QUESTION # 49
WDM transmits optical signals multiplexed at multiple rates (wavelengths) through a single optical fiber, and the digital signals carried by these optical signals must have the same rate and data format
- A. False
- B. True
Answer: A
NEW QUESTION # 50
Which of the following is not the advantage of WDM?
- A. Large capacity and transparent data transfer
- B. gold replacement for SDH equipment
- C. Future compatible with all optical switching networks
- D. Easy to upgrade and maximize protection for existing investments
Answer: B
NEW QUESTION # 51
Which of the following statements about overhead bytes is incorrect?
- A. J0 is the regenerator part trace byte. This byte is used to resynch the send segment access point identifier so that the receiving end can verify its continuous connection to the specified sender.
- B. E1 and E2 are wired bytes. These bytes are used to provide a voice channel for order line connections.
- C. A1 and A2 are framed bytes" These bytes are used to separate STM-1 frames in the signal stream. .
- D. B1 is better than holding interleaved parity 8 (BIP-8). This byte is used to monitor for bit errors in the regenerator section layer.
Answer: C
NEW QUESTION # 52
Which of the following bytes can be used for ordenwire calls between two REG devices?
- A. E2
- B. E1
- C. E1 and E2
- D. Not above
Answer: B
NEW QUESTION # 53
Coherent receiver technology uses a local oscillator laser with the same frequency as the received signal to perform coherent processing and recover () information from the received signal. (Multi-quality selection.)
- A. Phase
- B. Amplitude
- C. Polarized state
- D. Frequency
Answer: A,B,C
NEW QUESTION # 54
Which of the following is the VLAN classification method? (Multiple choice).
- A. by MAC address correct answer).
- B. By subnet
- C. press Co-set
- D. Through the port correct answer).
Answer: A,B,C,D
NEW QUESTION # 55
In the OSN550, the CXL slot contains a function board that integrates a system control and communication (SCC) unit, a cross-connecting unit, and a clock unit Depending on the functionality and access features provided by the OSN550, there are several types of dashboards
- A. True
- B. Error
Answer: A
NEW QUESTION # 56
Which of the following are device-level protection schemes for SDH products? (Multiple choice).
- A. System dashboard protection
- B. Cross-connect and timer board protection
- C. Power protection
- D. TPS protection
Answer: A,B,C,D
NEW QUESTION # 57
Which of the following are communication quality alerts? (Multiple choice).
- A. There is no login user
- B. NE communication in the
- C. Optical port loopback
- D. Optical signal loss
Answer: B,D
NEW QUESTION # 58
When the SNCP ring consisting of four Optis OSN 2500 devices has a rate of 25 Gbt/s, the network's service answer stars can carry up to ()2Mt/s Signal.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 59
Which of the following layers define the protocols that control the network layer? The protocol for this layer applies to logical links, i.e. end-to-end connectivity between two devices.
- A. Application layer
- B. Transport Layer
- C. Data link layer
- D. Network layer
Answer: B
NEW QUESTION # 60
During service configuration, there are two time slot modes. Huawei uses interleaved time slot mode by default.
- A. False
- B. True
Answer: A
NEW QUESTION # 61
For osn3500, which of the following boards provides centralized backup capability for the +3.3V power supply of each board in the sub-shelf?
- A. AUX
- B. scc
- C. PU
- D. coA
Answer: A
NEW QUESTION # 62
Which of the following statements regarding the protection of the cross-connecting plate 1+1 is correct? (Multiple choice).
- A. The bus of the two cross-connected modules works independently and does not interfere with each other. .
- B. The receiving service board can only receive data from the active cross-link board
- C. Dual bus system structure indicates that the service board performs dual data transfer to the cross-connection side and selectively receives data on the cross-connection side. .
- D. The source business board sends services to the main and standby crossover boards. .
- E. After the service cross-connection is completed, the active and standby cross-board sends the data of the primary cross-board to the receiving service board.
- F. Both cross-connecting plates have the same configuration. The service board will selectively receive services from one of them based on the quality of service and the status of the cross-connecting board. .
Answer: A,C,D,F
NEW QUESTION # 63
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