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H31-341_V2.5 · Question #662
H31-341_V2.5 Question #662: Real Exam Question with Answer & Explanation
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Question
Which of the following description about QPSK modulation technology is wrong? (Multiple choice)
Options
- AThe essence of QPSX is to reduce the baud rate of the optical signal by half without reducing the line
- BEPDM-QPSK is the best solution for 100G WDM transmission.
- CQPSK modulation can increase the spectral bandwidth, reduce the OSNR requirements of the system
- DThrough QPSK, one phase represents 2 digital bits, which is equivalent to the processing of "1 is divided
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