Latest H31-341-ENU Dumps Questions For HCIP-Transmission V2.0 Certification Exam

1. The transmission plane mainly completes the functions of optical signal transmission, multiplexing, configuration protection switching, and switching connection. And ensure the reliability of the transmitted optical signal. But the exchange action of this layer is carried out under the action of the management plane and the control plane.

2. When a signal with a standard Ethernet frame length of 64 Bytes is connected to the Ethernet board, if the QinQ function is enabled, what is the actual frame length of the signal inside the board?

3. The length range of the DATA field in the Ethernet frame structure is?

4. When the main control board is configured with a single board, which step is required to replace the single board than when the main control board is configured with a dual configuration?

5. Which of the following statements about the MPLS-TP OAM level is correct?

6. The following description of the internal port attributes of the Ethernet board, which is wrong?

7. MPLS APS is a network protection mechanism, which realizes service switching through the detection function of MPLS OAM.

8. Which of the following SOM systems cannot be monitored?

9. For emergency treatment of business interruption, fault location should be carried out as soon as possible, and then the business should be restored.

10. The setting of alarm reversal is based on?

11. You need to perform () operation before querying the error code and optical power on the network management system, otherwise the corresponding teaching data cannot be queried.

12. For ODUk SNCP protection, if the pass-through site is an electrical relay station, it is recommended to configure the SNCP type as SNC/I when configuring the protection.

13. When performing a 10-minute error-free test on a certain wavelength division channel, the local end uses an SDH analyzer to interconnect with the client-side interface of the OTU board, the OTU client interface at the opposite end needs to perform fiber self-looping, and solid attenuation must be added during self-looping.

14. In the characteristic test of the splitter (combiner), what standard is required for the isolation test?

15. Since the CWDM system does not use optical amplifiers, the focus of commissioning is whether the light reception of the OTU board is reasonable.

16. The maximum output optical power of an optical amplifier OBU is 20 dBm, and when it is used in the C-band 80 passive system, how much dBm should the single-wave standard output optical power be?

17. When the input optical power of the OAU amplifier at the receiving end is lower than the nominal optical power, the following operations which is wrong?

18. When using the path method to create a client path, if there is an RLOS alarm on the line board, the path cannot be created.

19. When using the path method to create OCh, which of the following service layer paths is necessary?

20. By default, the network element automatically backs up the network element database to the FLASH library every 30 minutes.

21. The following description about using the synchronization method to create optical fibers, which is wrong?

22. The following description of Flexible ROADM, which is wrong?

23. When creating a single-station optical crossover, an error message appears "The direction of the fiber and cable is incorrectly selected". Which are the possible reasons?

24. FOADM includes parallel FOADM and serial FOADM, both of which support full-wave 40 or 80-wave up and down at any wavelength.

25. Which of the following are the logical ports on the client side of the board in the standard mode?

26. In the WDM network design, as long as enough EDFA cascades are used to compensate for the optical power loss in the transmission process. Then the system can transmit a long distance without restriction.

27. Generally in NG WD systems, the full-wave incoming fiber optical power generally does not exceed 20dBm. Which is the main reason?

28. The compensation of the chromatic dispersion of the WDM system mainly adopts the DCM compensation method. The following statement about DCM dispersion compensation, which is wrong?

29. The OLA site can also use ESC.

30. Which of the following functions does EX40 add to X40?

31. Which of the following subracks does not support the configuration of grouped boards?

32. Which of the following unified line boards can support the crossover of VC, packet and ODUk at the same time?

33. The optical and electronic racks of the OSN 9800 equipment communicate through the master-slave sub-rack cascade connection, and are connected through the GE1/2 port on the CTu board.

34. Which of the following is not a function of RSVP-TE?

35. The functions of MG-SDH can be expanded through software upgrades.

36. When the cross-connect board is configured with 1+1 hot backup, the replacement of the cross-connect clock board will not affect the packet service under normal switching conditions.

37. Which of the following is not 400G originating modulation technology?

38. When configuring Ethernet Layer 2 attributes, when the "TAG" is set to "Accese" or "Hybrid", you need to set the "default VLAN ID" and "VLAN priority" of the untagged frame. "VLAN priority" should be set according to the unified planned QoS.

39. In the same subnet, when configuring NNI port properties, the IP of the ports at both ends of different links can be repeated.

40. VPLS (Virtual Private LAN Service) is a two-layer VPN technology that simulates a local area network.

41. If the Tunnel to which the PW belongs is configured with Tunnel APS, the PW cannot be configured with PW APS.

42. MPLS-TP is a subset of MIPLS, which removes connectionless IP-based forwarding and adds end-to-end OA functions.

43. The following description of the performance parameters of line fiber quality monitoring, which is wrong?

44. The collection and storage of on-site data include regular collection during normal operation of the equipment and collection when the equipment is out of order. Generally, maintenance personnel must collect and save on-site data before troubleshooting.

45. In the electrical layer overhead processing-sink function, the signal flow from OCh to Client direction, first detect PM ODUkP, and then detect TCM ODUkT.

46. Which of the following descriptions of PM_BIP8 related alarms is correct?

47. For the relay OTU, all SM segment alarms are terminated at the local station and no longer sent downstream (except for OTUkLOF to insert ODUk_PI_AIS downstream). Other alarms continue to be transmitted to the downstream station and reported on the WDM side of the OTU (except for R_LOS to insert ODUK_PM_AIS to the downstream station)

48. In the process of maintaining OSN equipment, I often see fans running at full speed, and the equipment reports TEMP_OVER alarms. The common causes and handling methods are?

49. When performing fiber synchronization, the network element does not create a fiber representation?

50. When configuring 1+1 optical line protection, you can select RI1/TI2/TO2 as the working channel according to the actual situation.

51. The following description about ODUk ring network protection, which is wrong?

52. The following description about 1+1 optical line protection, which is wrong?

53. For the non-linear effect FWM, which of the following processing methods is correct?

54. The following description about single-site commissioning, which is wrong?

55. Since the EALC/ALC function is used in the SOM system, it may cause business interruption when adjusting the optical power.

56. After the PWE3 service is successfully deployed, the "Deployment Status" of the PWE3 service is displayed as?

57. Among the following versions of GSCC boards, which support CF cards?

58. In the Colored&Directioned scenario of 4D ROADM, how many sets of M40V+D40 are needed to realize local service scheduling to four directions?

59. After starting the extended SSM protocol, in addition to judging the clock quality level and priority, it also judges the clock ID. After the network element receives the clock signal with ID, if it is judged that the clock signal is sent by the local station, the source is considered unavailable. In this way, even after passing through multiple sites, the network element can still recognize the clock signal sent by itself, preventing the formation of a timing loop.

60. The following description of each content in the calculation formula of the maximum line rate frame rate (N=Ratc/((L+7+1+M) x8)), which is wrong?

61. NG WDM two-dimensional ROADM sites can use WSMD9 single board, and its signal flow is the optical signal connected to the main optical channel from the "IN" optical port. 9 channels of the same optical signal are broadcast through the RDU (ROADM Demix Unit) optical module and output from the "DM1~DM8" and "ECPO" optical ports. One of the signals is locally dropped by the demultiplexer board, and the other 8 signals are dispatched to the other 8 directions. Access the signals of the main optical channel from the "EXPI" optical port. The multiplexed or single-wave optical signals that need to be inserted locally are input through the "AM1" ~ "AM8" optical ports.

62. Which of the following does not belong to the ASON control protocol?

63. The ROADM site can support up to 9 dimensions using the WSMD9 single board. If there are more than 9 dimensions, it can be realized by cascading the WSMD9 single board.

64. NG WDM equipment is the same as STP equipment, you can practice network element configuration on the network management through the pre-configuration method.

65. Before creating an optical crossover, you need to manually configure the corresponding port of the corresponding board as a boundary port, such as the line-side port of the FIU board between two sites.

66. Before the ROADM single board performs optical power commissioning, the virtual optical layer service must be configured first, otherwise the ROADM limited single board will block all wavelengths by default.

67. The OTS path refers to the physical optical fiber connection between two adjacent OM/OD/OA on the main optical path.

68. The following description about the signal flow of the OTM site (OSN 8800 equipment), which is wrong?

69. NS4 is a 100G line service processing board. In the following description of the NS4 board, which is wrong?

70. The following description of the NG WDM equipment connected to the network management computer, which is wrong?

71. The lower the noise figure of the amplifier is, the less noise the amplifier introduces.

72. For a 10G OTU board, the receiving end optical module uses PIN module, then which of the following receiving power is within the normal receiving range of the board?

73. The OSN 8800 equipment adopts fan redundancy protection. When any fan in the fan box fails, the system can still operate normally for a long time.

74. Which of the following IP addresses are not private IP addresses?

75. What are the user-oriented interface and the transmission network-oriented interface of E-Line service?

76. Overhead ratio is a factor that affects the error correction capability of FEC technology. Generally, under the same FEC encoding/decoding algorithm conditions, the higher the overhead ratio, the greater the net coding gain.

77. What are the main functions of the transport layer in the Huawei ECC protocol stack?

78. Which of the working modes provided by the line fiber quality monitoring function is not included?

79. A.C is the wavelength division OTM site, and B is the relay site. When the optical fiber in the sending direction from station A to station B is interrupted, the WDM side of the OTU relay board of station B will report the R_LOS emergency alarm and perform processing, and then send it to upstream A. OTU2_BDI minor alarm at the sub-side of the station. At the same time, the alarm continues to be transmitted to the downstream station of station B. After the alarm is processed at station C, the WDM side of the OTU board at station C will report the ODU2_PM_AIS minor alarm, and return the ODU2_PM_BDI minor alarm to the upstream station A.

80. Which layer of the TCP/UDP protocol is located in the TCP/IP protocol?

81. Which of the following paths has nothing to do with business?

82. In a wavelength division system, after a certain distance of transmission, the optical signal-to-noise ratio of the receiving end signal will be reduced to a certain extent. The main reason is ？

83. When the value of S1 byte is 0x02, it means ？

84. Which of the following descriptions about pointer adjustment is correct ？

85. Regarding the description of replacing the main control board, which is wrong?

86. The following statement about the alarm reversal function, which is wrong?

87. The key to NG WDM system fault location is to accurately locate the fault to a single station.

88. "Loopback method" includes the following four steps: 1. Loopback business channel sampling; 2. Draw a business path diagram; 3. Loopback section by section to locate the faulty site; 4. Preliminarily set as a single board problem. The correct order of the above four steps is?

89. The following description about the composition of the SOM system, which is wrong?

90. The optical fiber quality detection light of the TNF1AST4 board shares the light source with the OSC channel. When the TNF1AST4 board is used for detection in the "advanced parameter mode" (), the OSC communication will be interrupted. At this time, only the fiber quality detection signal is sent, and the detection dynamic range is large.

91. PWE3, as an end-to-end Layer 2 service bearing technology, provides a point-to-point L2VPN service in a public network, and transmits various services (such as Ethernet, TDM services) through a packet-switched network (PSN), also provides end-to-end virtual link simulation at the boundary of the PSN network.

92. The service signals that the HUNQ2 board cannot transmit are:

93. In the extended SSM ring network dual BITS clock protection scenario, in order to prevent the clock signal from forming a loop, you only need to configure the external clock source and internal clock source ID of the network element connected to the active BITS, and the network element connected to the standby BITS does not need to configure the internal clock ID.

94. The network element addresses used by each layer in the HWECC protocol stack are all network element IDs. The length of the network element ID is () bit, the highest () bit is called the subnet number (or extended ID), and the low () bit is called the basic ID.

95. It mainly completes the point-to-point voice communication between neighboring stations, without dialing, just off-hook. This PCM service is called:

96. The size of the crossover capacity of the NG SDH system is determined by the crossover single board, so the crossover capacity upgrade is completed by replacing the crossover board.

97. In OSN 1800, the LOA single board can implement the Ethernet Layer 2 scheduling function.

98. G.652 DCM-C parameter C indicates how much KM of dispersion produced by G.652 can be compensated?

99. How much dBm is 100mw approximately equal to?

100. When testing the overload point and sensitivity of the IN port of an OTU board, which of the following is not needed?