2024 New H31-311_V2.5 Dumps - Real Huawei Exam Questions
Dependable H31-311_V2.5 Exam Dumps to Become Huawei Certified
NEW QUESTION # 47
Which of the following statements about the MST functional module is correct? (Multiple choice).
- A. MST returns bit error messages, but does not return a specific number of bit errors
- B. MST is both the source and sink of MS. .
- C. MST provides an E20 orderwire channel. .
- D. MST implements BIP-8 statistical computation of B2 bytes.
Answer: B,C
NEW QUESTION # 48
Which of the following clock operating modes supports the ITU-T G.781 standard? (Multiple choice).
- A. Tracking
- B. Self-curved running
- C. Hold
- D. Master/Slave
Answer: A,B,C
NEW QUESTION # 49
Which of the following can be used as the central wavelength of the pump source in EDFA? (Multiple choice).
- A. 1310nm
- B. 980 nm
- C. 1510nm
- D. 1480nm
Answer: B,D
NEW QUESTION # 50
Which of the following statements about extending the ECC is incorrect?
- A. Auto-expanding ECC means an Ethernet port that uses a pass-through cable to connect two network elements
- B. C overlay, each server can link up to three clients.
- C. Extended ECC in specified mode indicates that a server and client need to be specified.
- D. Extended ECC is divided into Auto Extended ECC and Extended ECC in specified mode.
- E. You can enable auto-scaling ECC on up to four network elements. Under the Hand Extension
Answer: E
NEW QUESTION # 51
Which of the following communication protocols are used for DCN management of Huawei devices? (Multiple choice).
- A. OSl
- B. TCP/IP
- C. FTP
- D. HWECC
Answer: A,B,D
NEW QUESTION # 52
The rate of STM-1 is ()bit/s.
- A. 9*270*8000
- B. 9*270*1'8000*16
- C. 9*270*1*8000*8
- D. 9*270*1*8000
Answer: C
NEW QUESTION # 53
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. PU
- B. scc
- C. AUX
- D. coA
Answer: C
NEW QUESTION # 54
On the NMS system, the network element performance monitoring time is set to () minutes and () hours.
- A. 30.24
- B. 30.12
- C. 15.12
- D. 15.24
Answer: D
NEW QUESTION # 55
Which of the following is the steps to multiplex a low-speed service into a high-speed SDH service? (Multiple choice).
- A. Alignment
- B. Mapping
- C. Overhead insertion
- D. Multiplexing
Answer: A,B,D
NEW QUESTION # 56
Which of the following is not an EVPLAN feature?
- A. Multipoint to multipoint topology
- B. bandwidth sharing
- C. Forwarding based on MAC address
- D. point-to-point, and point-to-multipoint topologies
Answer: D
NEW QUESTION # 57
The1310nm and 1550nm transmission windows are low loss windows. In DWDM systems, only the 1560m transfer window is used. Which of the following is the main cause?
- A. The nonlinear effect of the B.1550 nm-wavelength region is small.
- B. The 1550nm wavelength region is suitable for long-distance transmission.
- C. The EDFA operating wavelength flatness region is contained in this window.
- D. None of the above
Answer: C
NEW QUESTION # 58
Which of the following is the feature of TCM overhead in ODUk signals?
- A. In-line connection monitoring overhead
- B. Path trace identifier overhead
- C. Channel oversight fees
- D. General communications and communication overhead
Answer: A
NEW QUESTION # 59
RSOH, MSOH, HPOH and LPOH implement the monitoring function in descending order of the monitoring fan country.
- A. Error
- B. True
Answer: B
NEW QUESTION # 60
Which of the following statements regarding the protection of the cross-connecting plate 1+1 is correct? (Multiple choice).
- A. 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.
- B. 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. .
- C. The source business board sends services to the main and standby crossover boards. .
- D. 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. .
- E. The receiving service board can only receive data from the active cross-link board
- F. The bus of the two cross-connected modules works independently and does not interfere with each other. .
Answer: B,C,D,F
NEW QUESTION # 61
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 # 62
The STAT indicator of the SDH board flashes red, lights up for 100ms, and turns off for 100ms. Which of the following means the state of the metric?
- A. Hardware failure
- B. Normal operation
- C. There is no power input
- D. Hardware mismatch
Answer: D
NEW QUESTION # 63
Which of the following light sources has the best dispersion tolerance and stability?
- A. EA modulates the light source
- B. Direct modulation of the light source
- C. None of the above
- D. Mach-Zehnder modulates the light source
Answer: D
NEW QUESTION # 64
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 non-reply mode
- B. Single-ended non-reply pattern
- C. Single-ended reply mode (correct case management).
- D. Double-ended reply mode
Answer: B,C
NEW QUESTION # 65
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