Huawei H31-311 Online Practice Questions and Exam Preparation

Huawei H31-311 Online Questions & Answers

• Question 101:

  Which of the following is the main networking type of a transmission network?

  A. Chain network
  B. P2P network
  C. Mesh network
  D. Ring network
  B. P2P network

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• Question 102:

  SDH signals must be scrambled before being transmitted over optical fibers. Which of the following bytes are not scrambled? (Choose three)

  A. A1
  B. A2
  C. J0
  D. J1
  A. A1
  B. A2
  C. J0

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• Question 103:

  The SP3D board supports 63 El services.

  A. TRUE
  B. FALSE
  B. FALSE

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• Question 104:

  Which of the following is not the advantage of WDM?

  A. Ultra-large capacity and transparent data transmission
  B. Easy to upgrade and maximizing the protection for existing investments
  C. Completely substituting for SDH devices
  D. Compatible with all optical switching networks in the future
  C. Completely substituting for SDH devices

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• Question 105:

  Which of the following bridges is used to forward data based on the MAC address and VLAN ID carried in data?

  A. 802.1a
  B. 802.1d
  C. 802.1q
  D. 802.11ab
  C. 802.1q

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• Question 106:

  Which of the following ITU-T recommendations defines the OTN frame structure?

  A. G.694
  B. G.652
  C. G.975
  D. G.709
  D. G.709

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• Question 107:

  When bit errors are detected in the B2 byte, which of the following alarms is reported by the peer end?

  A. MS-AIS
  B. RS-BBE
  C. MS-FEBBE
  D. MS-BBE
  C. MS-FEBBE

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• Question 108:

  Which of the following are components of a WDM system multiplexing N wavelengths? (Choose four)

  A. Supervisory unit
  B. Optical transponder unit
  C. Optical multiplexing unit
  D. Optical amplifier unit
  A. Supervisory unit
  B. Optical transponder unit
  C. Optical multiplexing unit
  D. Optical amplifier unit

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• Question 109:

  When the U2000 data is backed up using scripts, the backup is fast because the backup files are small.

  A. TRUE
  B. FALSE
  B. FALSE

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• Question 110:

  After configuring PDH on a per-NE basis, the full trace cannot be searched. Which of the following is a possible cause? (Choose three)

  A. The tributary board is not selected correctly.
  B. The board selection is incorrect.
  C. The time period is not configured correctly.
  D. Passthrough is not configured at the intermediate site.
  B. The board selection is incorrect.
  C. The time period is not configured correctly.
  D. Passthrough is not configured at the intermediate site.

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