Free Huawei H31-321 Exam Dumps Questions & Answers

Alarm suppression applies to intra-board alarms. When alarms of different severity levels are generated, the alarm of a higher severity level suppress the alarm of a lower severity level.

• A.  FALSE
• B.  TRUE

Which of the following statements are true about fiber-shared virtual path protection?

• A.  The VC-4 timeslots of an optical path allocated to two MSP rings must be different.
• B.  When the VC-4 timeslots of an optical path allocated to two MSP rings are the same, services on the VC-4 timeslots have double protection.
• C.  When the VC-4 timeslots of an optical path allocated to two SNCP rings are the same, services on the VC-4 timeslots have double protection.
• D.  The VC-4 timeslots of an optical path allocated to an MSP ring and those allocated for an SNCP ring must be different.
• E.  The VC-4 timeslots of an optical path allocated to two SNCP rings must be different.
• F.  When the VC-4 timeslots of an optical path allocated to both an MSP ring and an SNCP ring are the same, services on the VC-4 timeslots have double protection.

What is the maximum number of NEs traversed by a data forwarding path in Huawei ECC communication?

• A.  32
• B.  63
• C.  128
• D.  16

Which of the following are true about an SDH network?

• A.  By default, Huawei OptiX equipment uses Dl to D3 bytes for DCC communication. After ASON is enabled, the D4 to D12 bytes can function as inband control channels to transmit control information for the control plane.
• B.  The NMS communicates with a gateway NE using the OSPF protocol.
• C.  ECC communication is implemented by the D byte.
• D.  The maximum DCC rate is 192 Kbit/s.
• E.  NEs communicate with each other over ECCs.

What are the available types of RBS tests?

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