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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. Raman gain depends on the pump power and the quality of the fiber link

A) TRUE
B) FALSE

2. After the AM function of the microwave equipment is enabled, the signal level of the high modulation mode is lower than that of the low modulation mode.

A) TRUE
B) FALSE

3. Which of the following are the background reasons for the introduction of coherent communication ()? (multiple choice)

A) When the baud rate is increased to 100Gbaud/s, the spectral width of the BPSK/DPSK pattern has exceeded 50GHz, and 50GHz interval transmission cannot be achieved
B) The biggest technical difficulty of coherence lies in high-performance FEC coding, and high-performance FEC coding is available in 2011
C) For incoherent signals with a 40G data rate, a TDC module needs to be added to the receiving end, which has a slow response speed and does not support 1+1 protection scenarios, etc.
D) The conventional 40G DQPSK PMD is only 6~8ps. After the rate is upgraded to 100G, the PMD tolerance will be reduced by more than half, and it cannot support long-distance non-relay transmission.

4. The protection of the following PTN equipment belongs to the bundling of multiple ports to provide higher bandwidth and reliability. Which one? (multiple choice)

A) Tunnel APS/PW APS
B) LAG/MC-LAG
C) OAM/BFD
D) LAG/ML-PPP

5. Which of the following are performance related to SM segment errors

A) OTUk_SM_FEBBE
B) OTUk_SM_FEES
C) OTUk_BBE
D) OTUk_PM_BBE

Solutions: