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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. According to the requirements, before OTN 6800/8800 equipment is upgraded, it is necessary to return the network element health check file to TAC analysis

A) TRUE
B) FALSE

2. What should I pay attention to when swapping antennas? (multiple choices)

A) Turn on AM function
B) During the commissioning period, there is no rain/snow/fog impact between the two sites
C) ATPC function is off
D) If the microwave link adopts a 1+1 protection configuration and uses one antenna, turn off the power of the backup ODU before switching the antenna

3. For WDM network, the following description is correct (multiple choice)

A) For 10G and 100G mixed transmission networks, you can use the performance of 100G to analyze the dispersion compensation of the system
B) For 10G and 100G mixed transmission networks, you can use the performance of 10G to analyze the dispersion compensation of the system
C) For an OAU board, you can roughly judge the type of DCM module connected to the site according to the upper threshold of nominal gain (dB) on the network management system and the upper threshold of actual gain (dB)
D) For the OAU board, the type of DGI module connected on site can be roughly judged based on the difference between the output of POUT and the input of BAIN

4. Error code is a common phenomenon in equipment maintenance. Which of the following phenomena may cause error code? (multiple choice)

A) The device is not grounded
B) A large number of pointer adjustments have occurred on the device
C) The optical power of the optical port exceeds the overload point or is lower than the sensitivity
D) The device temperature is higher than normal

5. A certain system is configured with SOM, only the optical power information is in the query spectrum analysis data, and the OSNR is displayed as "---". The OSNR is abnormal at this time, the possible reason is ()?

A) The OMS segment is not correctly configured or the OMS segment is configured with a board not in place
B) There is a single-board optical cross-connection in the Och path or the Och is not created
C) Scanning spectra of OMCA/MCA4/MCA8 boards are inconsistent
D) After the networking changes, the SOM function is not reconfigured
E) Abnormal communication between network elements

Solutions: