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Huawei H31-311 Online Practice Questions and Exam Preparation

H31-311 Exam Details

  • Exam Code
    :H31-311
  • Exam Name
    :HCIA-Transmission V2.5
  • Certification
    :Huawei Certifications
  • Vendor
    :Huawei
  • Total Questions
    :256 Q&As
  • Last Updated
    :May 25, 2026

Huawei H31-311 Online Questions & Answers

  • Question 171:

    When configuring 1+1 optical line protection, you can select RI1/TO1 or RI2/TO2 as the working channel according to the actual situation.

    A. TRUE
    B. FALSE

  • Question 172:

    NCE software is deployed in B/S (browser/server) mode.

    A. TRUE
    B. FALSE

  • Question 173:

    Which of the following statements about the optical-layer interfaces OTM-n.m and OTM-nr.m of OTN is incorrect?

    A. n indicates the number of wavelengths carried by the maximum capacity.
    B. m indicates the rate. The value can be 1, 2, or 3.
    C. r indicates OTM without the OSC function.
    D. OTM-nr.m with OSC signals is OTM-n.m.

  • Question 174:

    For the (local) HA solution where the active and standby servers are deployed in the same place, which of the following platforms can be deployed? (Choose two)

    A. Windows
    B. Solaris
    C. SUSE Linux
    D. All of the above

  • Question 175:

    Frame-Mapped GFP (GFP-F) is a processing mode oriented to data coding blocks (such as Fiber Channel and ESCON).

    A. TRUE
    B. FALSE

  • Question 176:

    Which of the following statements about overhead bytes is incorrect?

    A. A1 and A2 are framing bytes. These bytes are used to separate STM-1 frames in a signal flow.
    B. J0 is a regenerator section trace byte. This byte is used to repeatedly transmit a section access point identifier, so that the receive end can verify its continuous connection to the specified transmit end.
    C. B1 is bit interleaved parity-8 (BIP-8). This byte is used to monitor bit errors at the regenerator section layer.
    D. E1 and E2 are orderwire bytes. These bytes are used to provide a voice channel for orderwire connections.

  • Question 177:

    Which of the following are communication quality alarms? (Choose two)

    A. Optical port loopback
    B. No login of an NE user
    C. NE communication interruption
    D. Loss of optical signals

  • Question 178:

    The standard Ethernet frame length should not be less than 64 bytes. Which of the following factors cause this limitation? (Choose two)

    A. Minimum transmission distance
    B. Maximum transmission distance
    C. Working mechanism of conflict detection
    D. MAC address

  • Question 179:

    The working and protection ports of a linear MSP group must be on the same board.

    A. TRUE
    B. FALSE

  • Question 180:

    Which of the following effects is used by the Raman amplifier?

    A. Self-phase modulation (SPM)
    B. Dispersion
    C. Raman scattering
    D. Four-wave mixing (FWM)

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