Huawei
H31-341_V2.5 · Question #420
Which of the following descriptions about the modulation technology of 40Gbit/s and 100Gbit/s coherent systems is correct? (Multiple choice)
The correct answer is A. The modulation technology used in the 40G coherent system is ePDM-BPSK D. The modulation technology used in the 100G coherent system is ePDM-QPSK. See the full explanation below for the reasoning.
Question
Which of the following descriptions about the modulation technology of 40Gbit/s and 100Gbit/s coherent systems is correct? (Multiple choice)
Options
- AThe modulation technology used in the 40G coherent system is ePDM-BPSK
- BThe modulation technology used in the 100G coherent system is ePDM-BPSK
- CThe modulation technology used in the 40G coherent system is ePDM-QPSK
- DThe modulation technology used in the 100G coherent system is ePDM-QPSK
How the community answered
(46 responses)- A80% (37)
- B7% (3)
- C13% (6)
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