Huawei H31-321 Online Practice Questions and Exam Preparation

Huawei H31-321 Online Questions & Answers

• Question 31:

  Which of the following may cause abnormal ECC communication?

  A. The optical port reports the B3_SD alarm. What may cause the HPJ.OM alarm?
  B. The two interconnected optical boards have different rates.
  C. The local NE uses Dl to D3, but the peer NE uses Di to D3 and D4 to D12.
  D. The local NE uses Dl to D3, but the peer NE uses D4 to D12.
  E. The DCC bytes of the optical board have been deleted.
  B. The two interconnected optical boards have different rates.
  D. The local NE uses Dl to D3, but the peer NE uses D4 to D12.
  E. The DCC bytes of the optical board have been deleted.

• Question 32:

  A warm reset on a board does not affect running services, while a cold reset on a board affects running services.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 33:

  What are the impacts of discrete services?

  A. Trail configuration fails and the NMS prompts timeslot conflict.
  B. The trails resources queried on the NMS are incomplete.
  C. It is impossible to perform trail-based management, including fault diagnosis and maintenance.
  D. The timeslot allocation diagram displayed on the NMS is incorrect.
  A. Trail configuration fails and the NMS prompts timeslot conflict.
  B. The trails resources queried on the NMS are incomplete.
  C. It is impossible to perform trail-based management, including fault diagnosis and maintenance.
  D. The timeslot allocation diagram displayed on the NMS is incorrect.

• Question 34:

  The physical cross-connect board of an OSN 3500 is N1SXCSA. Which of the following can be configured as the logical board for N1SXCSA?

  A. N1SXCSA
  B. N1EXCSA
  C. N1UXCSA
  D. N2SXCSA
  E. N2EXCSA
  A. N1SXCSA
  B. N1EXCSA
  C. N1UXCSA

• Question 35:

  Which of the following functions, when enabled, allows the transmitting laser of an optical port to be automatically shut down when the IN port fails to receive signals?

  A. LCAS
  B. ALS
  C. ALC
  D. LPT
  B. ALS

• Question 36:

  A network on which ASON is to be enabled has been configured with transparent transmission of DCC bytes for third-party equipment. Which of the following is true?

  A. Do not enable ASON for the network, regardless of whether inband or outband DCN is used.
  B. You can enable ASON for the network, regardless of whether inband or outband DCN is used.
  C. You can enable ASON for the network when inband DCN is used.
  D. You can enable ASON for the network when outband DCN is used.
  D. You can enable ASON for the network when outband DCN is used.

• Question 37:

  NG-SDH equipment supports MS-shared protection. Which of the following are false about timeslot mapping between the working path and protection path?

  A. Working path 2: 17#VC-4~20#VC-4; Protection path 2: 49#VC-4~52#VC-4
  B. Working path 1: l#VC-4~ll#VC-4; Protection path 1: 33#VC-4~43#VC-4
  C. Working path 2: 4#VC-4~7#VC-4; Protection path 2: 9#VC-4~12#VC-4
  D. Working path 1: l#VC-4~4#VC-4; Protection path 1: 5#VC-4~8#VC-4
  C. Working path 2: 4#VC-4~7#VC-4; Protection path 2: 9#VC-4~12#VC-4
  D. Working path 1: l#VC-4~4#VC-4; Protection path 1: 5#VC-4~8#VC-4

• Question 38:

  RSVP-TE is the RSVP extended in traffic engineering sense. What are the major functions of RSVP TE?

  A. LSP setup and deletion
  B. LSP attribute modification
  C. LSP rerouting
  D. LSP optimization
  E. LSP bandwidth Management
  A. LSP setup and deletion
  B. LSP attribute modification
  C. LSP rerouting
  D. LSP optimization

• Question 39:

  An N2SLQ16 board that is configured with AU3 services is faulty. If no spare N2SLQ16 board is available, the N1SLQ16 board can function as a substitute.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 40:

  Which of the following are true about clocks?

  A. Clock synchronization mode can be classified into pseudo synchronization and master-slave synchronization.
  B. On an SDH network, a downstream node extracts timing signals from line signals and obtains the clock quality level from bits 5 to 8 of the SI byte.
  C. If bits 5 to 8 of the SI byte returned by a downstream node take the value of Oxf, the clock source is valid.
  D. As defined by the extended SSM protocol, clock ID is bits 1 to 4 of the SI byte.
  E. In the extended SSM protocol, clock ID 0 indicates highest priority.
  A. Clock synchronization mode can be classified into pseudo synchronization and master-slave synchronization.
  B. On an SDH network, a downstream node extracts timing signals from line signals and obtains the clock quality level from bits 5 to 8 of the SI byte.
  D. As defined by the extended SSM protocol, clock ID is bits 1 to 4 of the SI byte.