H31-321 試験問題を無料オンラインアクセス

Which of the following parameters can uniquely identify an ASON NE in an ASON domain?

• A.NEID
• B.NE IP address
• C.NEID

Which of the following indicates a negative AU pointer justification?

• A.None of the above
• B.Three H3 bytes of AU-FTR
• C.Three bytes before H3
• D.Three bytes after H3

All NEs of a subnet are unreachable to the U2000, but the communication between the other subnets and the U2000 is normal. What are the possible causes of this phenomenon?

• A.The network size is too large, and ECC communication is beyond the processing capability of the network.
• B.Failure in the U2000
• C.The IP address of the gateway NE is changed by mistake.
• D.Incorrect fiber connections or fiber faults
• E.The SCC board of the NE that is at the border of the affected subnet is faulty.

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.ALS
• B.ALC
• C.LCAS
• D.LPT

Which of the following may cause abnormal ECC communication?

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