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  1. Home
  2. Huawei
  3. Huawei HCIA-Transmission V2.0 Exam
  4. Huawei.H31-311.v2022-04-11.q64
  5. Question 46

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Question 46/64

SES: There are 5% or more than 5% bit error blocks or at least one defect (OCI/AIS/LCKAAE/LTCA1M/PLM) within one second.

Correct Answer: B

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Other Question (64q)
Q1. Which of the following clock working modes support the ITU-T G.781 standard? (Multiple Cho...
Q2. In the case of 1+1 linear MSP, which of the following switching modes do not require the e...
Q3. Which of the following is the basic requirement of a DWDM system on a light source?...
Q4. Which of the following statements about the signal label byte C2 is incorrect?...
Q5. Automatic laser shutdown (ALS); When no optical signal is received, the ALS function autom...
Q6. The frame period of OTN signals is fixed, which is the same as that of SDH signals....
Q7. Which of the following is the multiplexing mode of SDH?...
Q8. Which of the following statements about the definition of SDH is correct?...
Q9. Which of the following statements about extended ECC is incorrect?...
Q10. The EPL service exclusively uses bandwidth on the line, which is highly secure. It is appl...
Q11. When setting the LCAS mode, follow the following principles: 1. If devices at the two ends...
Q12. Linear MSP (LMSP) has two modes; 1+1 and 1:1. Extra services can be configured for the pro...
Q13. When synchronization is performed on the 1U2000, the NE data that is the same as that on t...
Q14. Which of the following are the device-level protection schemes of SDH products? (Multiple ...
Q15. Optical fiber loss includes the bending loss, absorption loss, and scattering loss....
Q16. Which of the following are the electrical-layer overheads of OTN? (Multiple Choice)...
Q17. When severely errored seconds (SESs) are present in the PM section at the ODUk layer, whic...
Q18. The standard Ethernet frame length should not be less than 64 bytes. Which of the followin...
Q19. Which of the following technologies is the main difference between an open DWDM system and...
Q20. Which of the following are optical-layer trails? (Multiple Choice)...
Q21. Which of the following ITU-T recommendations defines the OTN frame structure?...
Q22. The PRBS can be used to test whether an SDH service is normal and whether the protection s...
Q23. Which of the following statements about the 1+1 protection of cross-connect boards are cor...
Q24. MSP is a network-level protection scheme. The MSP does not directly protect a service, and...
Q25. WDM multiplexes the optical signals at multiple rates (wavelengths) over one fiber for tra...
Q26. Which of the following are the main advantages of SDH? (Multiple Choice)...
Q27. Which of the following operations may interrupt NE services? (Multiple Choice)...
Q28. Which of the following statements about the sequence of a signal flow between the SDH inte...
Q29. Which of the following is the meaning of SFD in the Ethernet frame structure?...
Q30. TU-AIS is frequently encountered during network maintenance. Which of the following alarms...
Q31. For the (local) HA solution where the active and standby servers are deployed in the same ...
Q32. When LMSP is configured, there are two switching modes: single-ended switching and dual-en...
Q33. MAC loopback and PHY loopback are used for fault locating. When the MAC loopback is set to...
Q34. Which of the following is the frame structure of STM-16?...
Q35. Which of the following methods can be used to multiplex lower-order ODUk to higher-order O...
Q36. Which of the following factors determines that the optical signal-to-noise ratio (OSNR) at...
Q37. Which of the following working windows is indicated by "2" in the optical module parameter...
Q38. Which of the following logical functional modules are involved in processing clock signal?...
Q39. The frame structure of 0DU4 is four times that of ODU1....
Q40. Manual configuration will clear data on the NE side....
Q41. An arrayed waveguide grating (AWG) multiplexer/demultiplexer has the following advantages:...
Q42. Which of the following is the meaning of "L" in the optical module parameter "L-64.2"?...
Q43. For the OSN 3500, there is a slot mapping relationship between processing boards and inter...
Q44. When multiple users need to share the same VCTRUNK and use the same VLAN ID, the QinQ tech...
Q45. Which of the following are the differences between AU pointer and TU pointer? (Multiple Ch...
Q46. SES: There are 5% or more than 5% bit error blocks or at least one defect (OCI/AIS/LCKAAE/...
Q47. When bit errors are detected in the B2 byte, which of the following alarms is reported by ...
Q48. Which of the following statements about an MSP ring are correct? (Multiple Choice)...
Q49. LCK insertion has priority over AIS insertion. That is, if a user configures LCK insertion...
Q50. On a Layer 2 switching device, if the Ethernet port is an Access port, the port can receiv...
Q51. When a fiber cut test is performed on a normal MSP ring, which of the following alarms is ...
Q52. When the lower-order resources of a device are insufficient, which of the following measur...
Q53. The Erbium Doped Fiber Amplifier (EDFA) is a key component of the new-generation optical c...
Q54. The rate of STM-1 is () bit/s.
Q55. After the U2000 delivers configuration data to an NE, if the verification fails on the SCC...
Q56. Which of the following is not an EVPLAN feature?...
Q57. Which of the following is not the advantage of WDM?...
Q58. A MAC address consists of 48 bits and is globally unique. Which of the following is the me...
Q59. The error correction capability of FEC is measured with the encoding gain. Which of the fo...
Q60. On the NMS, the NE performance monitoring time is set to () minutes and () hours,...
Q61. When an optical fiber between node A and node B is broken, the FIU on node B detects the O...
Q62. The single-fiber bidirectional WDM system uses only one optical fiber to transmit optical ...
Q63. Which of the following alarms does not trigger the AU-AIS alarm?...
Q64. Which of the following are different types of ESCs divided by implementation principles?...
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