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The U2000 license file is stored in the following directory /u2000/server path. If the license file is invalid, the U2000 will not work normally.
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The STAT indicator of the N1SLQ16 board is on red. What are the possible reasons for the following?
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On the PTN equipment, when the tunnel bears data and forwards, which one is wrong in the description of the actions of each node on the LSP?

Question 156 - H35-260 discussion

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Which of the following statements about 100G coherent PDM-QPSK modulation is incorrect?

A.
The essence of QPSK modulation is to reduce the baud rate of the optical signal by half without reducing the line rate by selecting 4 possible values in the phase of the optical field.
Answers
A.
The essence of QPSK modulation is to reduce the baud rate of the optical signal by half without reducing the line rate by selecting 4 possible values in the phase of the optical field.
B.
PDM-QPSK technology is the main modulation code technology for 100G transmission, which can reduce the line rate of 112Gb/s to the baud rate of 28Gbaud/s, greatly reducing the loan requirements for (optical) electrical devices.
Answers
B.
PDM-QPSK technology is the main modulation code technology for 100G transmission, which can reduce the line rate of 112Gb/s to the baud rate of 28Gbaud/s, greatly reducing the loan requirements for (optical) electrical devices.
C.
PDM polarization multiplexing technology is adopted, which has better nonlinear tolerance than 40GePDM-BPSK.
Answers
C.
PDM polarization multiplexing technology is adopted, which has better nonlinear tolerance than 40GePDM-BPSK.
D.
PDC-QPSK supports DCMfree and DCM system applications, and supports smooth upgrade from existing 10G/40G network to 100G system.
Answers
D.
PDC-QPSK supports DCMfree and DCM system applications, and supports smooth upgrade from existing 10G/40G network to 100G system.
Suggested answer: C
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asked 18/09/2024
Bright Ngobeni
40 questions
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