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

1. In the NG WDM network, Ethernet service degradation occurs.
Which of the following are possible reasons? (multiple choice)

A) The port attribute does not match the peer device.
B) Ample bandwidth and large bursts of business
C) Line fiber failure
D) Large amount of traffic and insufficient bandwidth configuration
E) When the traffic is too large, the peer device does not have time to respond.
F) Physical layer failure

2. Which of the following statements about the safe use of fiber is correct? (multiple choice)

A) When loopback testing the optical port with pigtails, in order to prevent the laser beam from being too powerful to damage the device, it is necessary to add a fixed optical attenuator.
B) When installing and maintaining the optical interface board and optical fiber, do not look into the optical interface or fiber connector.
C) Before using the optical adapter dedicated magnifier, the optical fiber should be inspected with an optical power meter to ensure that there is no laser beam in the fiber.
D) The recommended dust cap is made of soft rubber material. It is not easy to absorb dust and debris, easy to clean, and has good dustproof effect.
E) For a board that can be equipped with an optical attenuator, it is recommended to add an optical attenuator to the receiving optical port.

3. Using the OSC monitoring, the NG WDM network running the HWECC protocol, which of the following is generally not interrupted by ECC communication?

A) OSC board failure
B) SCC board failure
C) The tail fiber of the OSC board is faulty.
D) IP duplication of network elements
E) The ID of the network element is duplicated.

4. Which of the following paths can be configured on the NMS. (multiple choice)

A) OCH
B) OMS
C) Client
D) ODUK

5. In the process of optical power commissioning, you cannot modify the channel attenuation value of a ROADM board on the NMS. What is the possible cause of this phenomenon?

A) The optical power adjustment mode corresponding to the wavelength is set to "manual"
B) Fibre Channel with corresponding wavelength is locked
C) The IPA function is configured in the system.
D) The light cross of the corresponding wavelength is not activated

Solutions: