Huawei H31-321 Online Practice Questions and Exam Preparation

Huawei H31-321 Online Questions & Answers

• Question 71:

  Generally, a clock tracing chain consists of a maximum of 20 NEs. This rule does not apply to a clock subnet where the SSM protocol is enabled.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 72:

  What are the available types of RBS tests?

  A. Regenerator section PRBS tests
  B. Multiplex section PRBS tests
  C. Higher order PRBS tests
  D. Lower order PRBS tests
  C. Higher order PRBS tests
  D. Lower order PRBS tests

• Question 73:

  A service created using the trail function will not become a discrete service.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 74:

  You need to plan the MS when gold services exist on an ASON network. Which of the following are true about MS planning?

  A. If only a few gold services exist, upgrade the gold services to diamond services.
  B. The MS should cover all nodes on which gold services are required to be configured. Multiple MSs can be used to cover more nodes on a complex network.
  C. If the gold services take up less than half of the optical path resources, set part of the MS for the gold services, in other words, only part of the VC-4 resources on the MS are allocated for the gold services.
  D. Services should be evenly distributed in an MS. Avoid high bandwidth utilization in certain portion of an MS but low bandwidth utilization in other portion of the MS.
  B. The MS should cover all nodes on which gold services are required to be configured. Multiple MSs can be used to cover more nodes on a complex network.
  C. If the gold services take up less than half of the optical path resources, set part of the MS for the gold services, in other words, only part of the VC-4 resources on the MS are allocated for the gold services.
  D. Services should be evenly distributed in an MS. Avoid high bandwidth utilization in certain portion of an MS but low bandwidth utilization in other portion of the MS.

• Question 75:

  Generally, a central NE where ECC communication load is heavy and congestion is the most likely to occur is set as the gateway NE.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 76:

  Which of the following are true about AU pointer justification?

  A. The value of the AU-FTR pointer is in the last ten bits of the HI and H2 bytes. Therefore, the value range is 0 to 1023.
  B. AU-FTR points to the J0 byte.
  C. The AU pointer is adjusted because the clocks of an upstream NE and a downstream NE are asynchronous.
  D. When an NE detects all "l"s in the received HI and H2 bytes, the NE reports the AU-AIS alarm.
  C. The AU pointer is adjusted because the clocks of an upstream NE and a downstream NE are asynchronous.
  D. When an NE detects all "l"s in the received HI and H2 bytes, the NE reports the AU-AIS alarm.

• Question 77:

  When optical fibers are incorrectly connected, lots of pointer justification events will occur. Which of the following methods can be used to further locate the fault?

  A. Disconnect fibers and shut down lasers.
  B. Insert the MS_RDI alarm on the NMS.
  C. Observe pointer justification events.
  D. Change the J1 byte traced by a higher order path on the NMS.
  A. Disconnect fibers and shut down lasers.
  B. Insert the MS_RDI alarm on the NMS.
  D. Change the J1 byte traced by a higher order path on the NMS.

• Question 78:

  If the SRV indicator of a board is not red in a networkwide fiber connection test, the board can receive optical signals. When some optical ports are not used on a board with multiple optical ports, the SRV indicator is steady red. You need to use the NMS to check whether the board works properly.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 79:

  On a network where MSP rings and SNCP rings share fiber resources, if Assigned by VC-4 is selected, you need to set holdoff time for SNCP services.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 80:

  Which of the following about the conditions that trigger rerouting on NG-SDH equipment?

  A. R_LOS, R_LOF
  B. RSBBE, MSBBE
  C. MS_AIS, MS_RDI
  D. AU_AIS, AU_LOP
  E. HP_UNEQ, HP_LOM
  A. R_LOS, R_LOF
  C. MS_AIS, MS_RDI
  D. AU_AIS, AU_LOP