Huawei H12-931-ENU Dumps Are Available with 569 Q&As to Ensure Your Success in HCIE-Transmission (Written) Exam

1. Regarding the M40 and D40 channel isolation indicators of OSN 8800/6800 equipment, which of the following statements is correct? (Multiple choice)

2. When Huawei OTN is interconnected with ZTE OTN equipment, the ODU0 and ODU1 time slots of Huawei OTN equipment adopt sequential mode. Which of the following statements is correct? (Multiple choice)

3. Regarding the test items of IEEE 1588V2 time protection function, which statement is wrong?

4. Which of the following features does the N3EFS4 board support? (Multiple choice)

5. In the Linux system, configure an IP address 129.9.1.100 for the network card Eth0, and use which of the following command?

6. The function of PW OAM is basically the same as that of Tunnel. The PW OAM mechanism can effectively detect, confirm and locate defects and faults originating from the PW layer network.

Which of the following functions are not available in PW OAM?

7. which of the following with the docking workflow between U2000 CORBA and OSS is wrong?

8. Which of the following protections in microwave equipment does not require dual slots?

9. Which of the following information should be paid attention to when enabling GE services on a TOA board? (Multiple choice)

10. The following is the network parameter planning of an engineer’s network management server, among which planning is correct? (Multiple choice)

11. Share the business of VCTRUNK. To achieve business isolation, what isolation methods can we adopt? (Multiple choice)

12. When configuring client-side 1+1 protection, if the working OTU and the protection OTU are in different network elements, the control channel board type can be selected as OLP or SCS board

13. If there is a problem with the CORBA connection, you can analyze it in the following way: If it is not the problem on the U2000 side, you should search for it from the upper-layer network management itself or U2000 and the upper-layer network management; if the name and notification service cannot be started normally, you should check whether the corresponding port is occupied , or try to use other ports; if the U2000 cannot be started, check whether the CORBA configuration files bundle.cfq and ems.cfq are correct

14. Which of the following about system OSNR commissioning is wrong?

15. Four network elements A, B, C, and D form a two-fiber bidirectional multiplex section shared protection ring, and there are a large number of PDH services between A and B. One day, the optical fiber between A and B is interrupted. In order to eliminate the R-LOS alarm on the network management system, an engineer performs a self-loop on the optical ports at both ends of the interrupted optical fiber. After 10 minutes by default, what will happen?

16. If the instrument transmits data at a frame rate of X and receives data at a frame rate of Y, then packet loss rate = (XY)/X*100%, usually packet loss rate + throughput = 1

17. The SYNLOCK V3 device can achieve different clock accuracy levels through different board configurations. Which of the following can be realized by SYNLOCK V3? (Multiple choice)

18. All operations on site can be operated according to one's own experience, and there is no need to strictly follow the changing operation steps

19. When subnetting 172.17.15.0/28, which of the following addresses are legal subnet addresses? (Multiple choice)

20. For the 1+1 protection in the OTU board with external OLP, it supports non-extended mode and extended mode. The extended mode adds switching conditions of the electrical layer.

21. Create an upgrade task process, which of the following statement is wrong?

22. In the 40-wavelength system of the WDM equipment, due to the aging of the optical cable of the customer, the optical cable between the 2# and 3# sites need to be replaced, and the 4# optical amplifier site needs to be added between 2# and 3#. Which of the following statements is correct?

23. For 10G and coherent 100G mixed transmission systems, which of the following description is correct?

24. It is known that the GE optical interface technical indicators of a certain PTN equipment are as follows: average transmit optical power (dBm): -5~0, receive sensitivity (dBm): -23, minimum overload point (dBm): -3, minimum extinction ratio (dB): 9. For this optical interface, which of the following optical powers (dBm) is the most suitable received optical power?

25. For NG-SDH equipment equipped with dual main control boards, when the main control board is upgraded, which of the following statements is correct?

26. A certain network has 2,250 equivalent network elements of SDH series, 1,000 equivalent network elements of WDM series, and 1,000 equivalent network elements of router series. The customer purchased value-added functions such as SDH end-to-end, WDM end-to-end, and Corba northbound.

Regarding this network management deployment plan, which of the following is wrong?

27. Which step in the working principle of CORBA does getEventChannel belong to?

28. ODUk_PM_AIS alarm is one of the conditions for ODUK_SNCP switching

29. There is a lower limit to the length of an Ethernet frame. What is the main reason for this?

30. Regarding the electrical layer protection ODUk SNCP and branch SNCP, which item is different from the following description?

31. Optical wavelength sharing protection OWSP is used to configure the ring network of distributed services, and realize the protection of one route of distributed services between all sites by occupying two different wavelengths.

32. What are the main components of Huawei RTN 900 series equipment? (Multiple choice)

33. The LPT (Link Pass Through) function is applied to the scenario where WDM equipment accesses FE/GE/10GE LAN services. Which statement about LPT is correct? (Multiple choice)

34. Using the integral method to measure the OSNR value of a 100G signal, the integrated value of the signal power + noise power in the channel interval read from the OSA is 9.68uW, the integrated value of the noise power in the channel interval is 29.58nW, and the signal center frequency is 0.1nm. The integrated power within is 7.395nW, then the OSNR value is?

35. Which of the following are not precautions for the preliminary test?

36. What should be paid attention to when adjusting the antenna? (Multiple choice)

37. Which of the following descriptions of 100G system protection configuration is correct?

38. What are the principles of synchronous Ethernet planning? (Multiple choice)

39. Which of the following statements about PTN's VPLS technology is wrong?

40. The IP address you use is 165.247.52.119, the subnet mask is 255.255.240.0, which subnet is your host on?

41. What is the wavelength of the OSC channel of Huawei OTN equipment? (Multiple choice)

42. A new TN55ND2 board was added to the OSN8800 device, and it was found that the board could not go online. Which of the following are impossibility reasons?

43. Which of the following statements about the main and backup channels of optical line protection is wrong?

44. Which of the following statements about OTN overhead is correct? (Multiple choice)

45. Which of the following are commonly used test instruments for WDM system include? (Multiple choice)

46. The types of boards that need to be upgraded when upgrading NG-SDH equipment are: 1. Cross-connect board 2. Main control board 3. Service board. What is the correct upgrade sequence?

47. In the Ethernet service OAM, the name of the node that can initiate the OAM operation is?

48. There are two types of E1 signals: Unframed E1 and Framed E1. Unframed E1 refers to transmitting user data in all time slots as a whole.

49. Which of the following operations may be a bit error due to nonlinear effects?

50. When the Ethernet networking is applied, which of the following characteristics can adjust the bandwidth as needed, and dynamically increase or decrease the members in the VCTRUNK without affecting the business? When a member of the virtual concatenation group fails, the bandwidth can be quickly adjusted to ensure the normal transmission of data; when the failed member recovers, the original bandwidth of the virtual concatenation group is automatically restored.

51. The sequence of downlink signals, which of the flowing through the functional blocks of the SL16 circuit board?

52. Which of the following descriptions about PTN and TPS protection are correct? (Multiple choice)

53. The ETH_LOS or LINK_ERR alarm occurs on a single Ethernet port of a multi-interface Ethernet board, and the service is interrupted. The possible reasons are: the working mode of the Ethernet port does not match or the interface rate is inconsistent, and the hardware failure of the optical module. Which of the following is also possible?

54. Two MSP rings intersect, and there is coexistence of SNCP and MSP protection in one of the network elements at the intersection point. How to solve the secondary switching phenomenon caused by the coexistence of protection?

55. The PTN device realizes the unified bearer of multiple services through PWE3. For the user, the PTN device is equivalent to a Layer 2 switch.

56. During the downgrading process of the smart service, the intermediate node is reset, and the downstream node will have?

57. In the C-band 80-wave system, add the operation of C-band odd-numbered waves. Which of the following description is correct? (Multiple choice)

58. The OTU2 frame length is about four times the OTU1 frame length

59. During the network acceptance test, it is found that the OSN 3500 can work normally when the external clock source is connected, and enters the hold state when the external clock source is disconnected, but the hold state cannot last for 24 hours. Which of the following are possible reasons?

60. In general, which PHB is marked by signaling?