Free Access to Huawei.H31-311_V2.5.v2022-12-15.q73 with Valid Practice Test (Page 14)

Measure the error correction capability of fec with encoded gain. Which of the following statements about the coding gain is incorrect?

A.The coding gain of D.AFEC is greater than the coding gain of FEC.
B.The error correction capability of B.FEC increases with coding gain.
C.When ber is constant, the OSNR saved by correcting the encoding is called the encoding gain.
D.The coding gain of the in-band FEC is greater than the coding gain of the out-of-band FEC

Which of the following statements regarding the protection of the cross-connecting plate 1+1 is correct? (Multiple choice).

A.The receiving service board can only receive data from the active cross-link board
B.Both cross-connecting plates have the same configuration. The service board will selectively receive services from one of them based on the quality of service and the status of the cross-connecting board. .
C.Dual bus system structure indicates that the service board performs dual data transfer to the cross-connection side and selectively receives data on the cross-connection side. .
D.The source business board sends services to the main and standby crossover boards. .
E.The bus of the two cross-connected modules works independently and does not interfere with each other. .
F.After the service cross-connection is completed, the active and standby cross-board sends the data of the primary cross-board to the receiving service board.

The STAT indicator of the SDH board flashes red, lights up for 100ms, and turns off for 100ms. Which of the following means the state of the metric?

Which of the following bytes can be used for wired phones between two REG devices?

Which of the following is affected by changing the element ID of OSN3500 on NMS?

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