Huawei H31-321 Online Practice Questions and Exam Preparation

Huawei H31-321 Online Questions & Answers

• Question 91:

  When a network is in synchronous mode, the AU pointer is used for frequency tracing and alignment between synchronized signals. When a network is in asynchronous mode, the AU pointer is used for phase alignment.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 92:

  Two SNCP rings are intersected. Which of the following statements is true about inter-ring service configuration?

  A. Configure one unidirectional SNCP service pair on each intersecting node.
  B. Configure two unidirectional SNCP service pairs on each intersecting node.
  C. Configure four unidirectional SNCP service pairs on each intersecting node.
  D. Do not configure any SNCP protection group on each intersecting node.
  C. Configure four unidirectional SNCP service pairs on each intersecting node.

• Question 93:

  A port of an NG-SDH NE is currently free from alarms. You can enable the alarm inversion function on the port and set the reversion mode to auto-revertive.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 94:

  Shared mesh restoration trails and preset restoration trails are reserved resources for certain services. They cannot be used by other services.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 95:

  Which of the following are true about the relationship between pointer justification and bit errors?

  A. Justification of a large number of pointers may cause bit errors,
  B. A large number of bit errors may cause pointer justification.
  C. Bit errors do not lead to pointer justification.
  D. Pointer justification does not lead to bit errors.
  A. Justification of a large number of pointers may cause bit errors,
  C. Bit errors do not lead to pointer justification.

• Question 96:

  The actual optical power received should meet the requirements: (minimum sensitivity + 5 dB) < received optical power (tested) < (minimum overload threshold - 3 dB).

  A. TRUE
  B. FALSE
  B. FALSE

• Question 97:

  Which of the following is used to define the total number of frames received at line rate without packet loss?

  A. Throughput
  B. Latency
  C. Packet loss rate
  D. Back-to-back
  D. Back-to-back

• Question 98:

  Which of the following statements are true about the processing of higher-order path overheads on OptiX NG-SDH equipment?

  A. By default, VC-12-level services are terminated.
  B. By default, VC-3-level services are terminated.
  C. By default, VC-4-level services are terminated.
  D. For VC-4-level services, overhead processing mode is configurable.
  E. For VC-12/VC-3-level services, overhead processing mode is not configurable.
  A. By default, VC-12-level services are terminated.
  B. By default, VC-3-level services are terminated.
  D. For VC-4-level services, overhead processing mode is configurable.
  E. For VC-12/VC-3-level services, overhead processing mode is not configurable.

• Question 99:

  A ring is configured with STM-64 two-fiber bidirectional MSP. The port rate of the ring is 10 Gbit/s.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 100:

  Which of the following are true about tunnel services?

  A. A tunnel is an ASON service path.
  B. An ASON service and a traditional service can be converted to each other.
  C. Tunnel levels include diamond, gold, silver, or copper.
  D. You do not need to manually create or delete the lower order cross-connections between a line board and a tributary board.
  E. A tunnel cannot be optimized.
  A. A tunnel is an ASON service path.
  B. An ASON service and a traditional service can be converted to each other.
  C. Tunnel levels include diamond, gold, silver, or copper.