Huawei H31-311 Practice Test - Questions Answers, Page 12
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Which of the following bytes in the regenerator section overhead are associated with R-OOF and
R-LOF?
(Multiple Choice)
Which of the following are VLAN classification methods? (Multiple Choice)
The TAG attribute cannot be set for the internal port VCTRUNK of the board on the NMS.
The EPL service exclusively uses bandwidth on the line, which is highly secure. It is applicable to the private line application of VIP customers.
The coherent receiver technology uses the local oscillator laser that has the same frequency as received signals to perform coherent processing and recovers the ( ) information from the received signals. (Multiple Choice)
Optical supervisory channels are intended for the supervisory of WDM optical transmission systems. In ITU-T recommendations, 1510 nm wavelengths at a ( ) rate are preferentially used.
In ITU-T G.692 recommendations, the allowed channel frequency is based on the reference frequency ( ) and the channel spacing can be 100 GHz, 50 GHz, or 25 GHz.
Which of the following overheads is not an ODUk overhead?
The difference between a dispersion compensation fiber and a common fiber is that the dispersion compensation fiber has a negative dispersion coefficient at ( ).
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