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Huawei Certified Network Professional-Building Carrier OTN Transmission Network Sample Questions:

1. If the service type is set to "Any", you need to set the rate of the service in the Customer Service Bearer Rate (M).

A) False
B) True

2. Which of the following statements is wrong for ROADM?

A) ROADM can achieve flexible upper and lower wavelengths within the site
B) The use of ROADM is a prerequisite for implementing the electrical layer ASON function.
C) The use of ROADM is a prerequisite for implementing the optical layer ASON function.
D) ROADM can realize automatic adjustment of optical power

3. Which of the following situations do I need to use OSC in a wavelength division system? (multiple choice)

A) Using OLA sites
B) Requires OTN optical layer overhead
C) Single span loss exceeds 52dB
D) Need to configure business phone

4. The path method OCH creation may be unsuccessful. (multiple choice)

A) The wavelength configuration of the source and sink boards is inconsistent.
B) The device side and NE side time are not synchronized.
C) The data on the device side and the NE side are not synchronized.
D) The service layer path is missing.

5. Which of the following is the implementation principle of the ALC function, which one is wrong?

A) When the line is degraded, first adjust the nominal gain of the optical amplifier unit, and then adjust the attenuation value of the attenuation adjustment unit (VOA) to ensure the power budget of the entire link.
B) Compare the deviation between line attenuation and amplifier gain and the way the node gain compensates for offset.
C) The reference node transmits its output optical power value downstream every 10 seconds, and the detection node transmits the offset value of the amplifier gain and attenuation. Each node transmits the output optical power and the accumulated deviation value to subsequent nodes.
D) When the line returns to normal, if the nominal gain of the amplifier unit does not match the gain reference value, the amplifier gain is first adjusted back to the reference value, and then the attenuation value of the VOA is adjusted to ensure the power budget of the entire link.

Solutions: