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

1. What are the following optical loss alarms that will not cause business interruption? (multiple choice)

A) OSC_LOS
B) MUT_LOS
C) R_LOS
D) CHAN_LOS

2. Optical power is an important factor affecting the transmission distance of the system in the WDM system.
Which of the following alarms is not possible when the optical power is abnormal?

A) OTUk_SSF
B) ODU_SNCP_PS
C) POWER_FAIL
D) TF

3. What are the correct statements about the operation of the plug-in board? (Multiple choice)

A) After the board is powered off and restarted, the board can be inserted back immediately after the board is properly removed.
B) Do not use excessive force when inserting the board to avoid smashing the pins on the motherboard.
C) The hot plug operation of the board is recommended to be scheduled during a period of small traffic.
D) Insert the board along the anti-missing guide slot of each board to prevent the components on the board from coming into contact with each other and causing a short circuit.
E) In order to confirm whether the components on the board are in good contact, you can touch the electrical appliances, components, terminals, and wiring slots on the board.

4. When the optical cable between the FIU and the FIU fails, what are the optical layer alarms reported by the downstream site? (multiple choice)

A) OSC_LOS
B) MUT_LOS
C) R_LOS
D) OSC_RDI

5. Which of the following considerations is required before and after replacement?

A) Query related alarms and performance events through the NMS.
B) Check whether the switchover is normal for the function board that has the backup function.
C) Check the board indicator blinking status.
D) Confirm that the cable connection is correct.

Solutions: