Huawei H31-311 Online Practice Questions and Exam Preparation

Huawei H31-311 Online Questions & Answers

• Question 1:

  Assume that 2 x VC-12 timeslots need to be bound with VCTRUNK1 of the N2EFS4 board. When 8 x VC-4 timeslots are available on the N2EFS4 board, which of the following timeslots meets the requirements?

  A. VC-12 timeslots 1 and 2 of the first VC-4
  B. VC-12 timeslots 33 and 34 of the second
  C. VC-4 VC-12 timeslots 1 and 2 of the fourth
  D. VC-4 VC-12 timeslots 1 and 2 of the eighth VC-4
  C. VC-4 VC-12 timeslots 1 and 2 of the fourth

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• Question 2:

  In ITU-T G.692 recommendations, the allowed channel frequency is based on the reference frequency ( ) and the channel spacing can be 100 GHz, 50 GHz, or 25 GHz.

  A. 192.1 THz
  B. 193.1 THz
  C. 194.1 THz
  D. 196.1 THz
  B. 193.1 THz

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• Question 3:

  The working mode of a port determines the flow control mode of the port. When the working mode is 100 Mbit/s full duplex, which of the following flow control modes can be used?

  A. Auto-negotiation flow control mode
  B. Non-auto-negotiation flow control mode
  C. Both of the above
  D. None of the above
  B. Non-auto-negotiation flow control mode

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• Question 4:

  An OTN node reports TCM (tandem connection monitoring) alarms.

  A. The alarms can be ignored because TCM is optional
  B. TCM indicates performance issues in intermediate segments
  C. TCM only applies to Ethernet services
  D. TCM replaces OTUk section monitoring
  B. TCM indicates performance issues in intermediate segments

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• Question 5:

  Optical supervisory channels are intended for the supervisory of WDM optical transmission systems. In ITU-T recommendations, 1510 nm wavelengths at a ( ) rate are preferentially used.

  A. 64 kbit/s
  B. 192 kbit/s
  C. 2Mbit/s
  D. 576 kbit/s
  C. 2Mbit/s

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• Question 6:

  Which of following are the configuration modes of new NEs? (Multiple Choice)

  A. Manual configuration
  B. Uploading
  C. Downloading
  D. Copying NE data
  A. Manual configuration
  B. Uploading
  D. Copying NE data

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• Question 7:

  Which of the following are optical-layer trails? (Choose four)

  A. OCH
  B. OMS
  C. OTS
  D. OSC
  A. OCH
  B. OMS
  C. OTS
  D. OSC

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• Question 8:

  Which of the following sites support service adding and dropping? (Choose two)

  A. ROADM
  B. OLA
  C. FOADM
  D. OTM
  A. ROADM
  C. FOADM

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• Question 9:

  Self-healing refers to the capability of a network to automatically restore services within a short period after a fault occurs, without any manual intervention, so that users remain unaware of the fault. A network with this capability is considered a self-healing network.

  A. TRUE
  B. FALSE
  A. TRUE

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• Question 10:

  Which of the following working windows is indicated by "2" in the optical module parameter L-64.2"?

  A. 880 nm
  B. 1310 nm
  C. 1550 nm
  D. 1510 nm
  C. 1550 nm

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