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Only need to practice for 20 to 30 hours

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

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

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

2. Which of the following descriptions of configuring APE functions is wrong?

A) For the wavelength channel that needs to enable the APE function, make sure that the optical layer crossover corresponding to the channel is correctly established before configuring the APE.
B) After creating an APE pair, you also need to set the wavelength monitoring parameter to set the
"monitor flag" to "disabled" for wavelengths that do not need to be monitored.
C) The APE pair consists of an adjustment site and a detection site. Create an APE pair on the sending NE.
D) When the system is in normal operation and the adjustment of each channel reaches the equilibrium state, the user can use the current power curve as the standard curve as the standard for APE detection.

3. All NEs in an NG WDM subnet on the U2000 are removed. The U2000 network management reports NE_COMMU_BREAK, NE_NOT_LOGIN, and GNE_CONNECT_FAIL alarms, and the service is not affected.
According to this fault phenomenon, which of the following are possible causes ()? (multiple choice)

A) The gateway network element IP is incorrectly changed.
B) In the scenario of the active and standby gateway NEs, the active gateway NE performs the active/standby switchover of the main control board.
C) Gateway network element failure
D) Line cable failure
E) The network cable connection between the gateway network element and the HUB is interrupted or the HUB port is damaged.
F) In the scenario of no active/standby gateway NEs, the gateway NE performs the active/standby switchover of the main control board.

4. If the IPA function does not start properly, what are the possible reasons? (multiple choice)

A) The IPA protection group is equipped with an auxiliary detection board. When the line is broken, the auxiliary detection board does not report alarms.
B) The fiber break time does not exceed the IPA's turn-off duration.
C) The IPA function is not enabled.
D) The IPA protection group is configured with an auxiliary detection board, but the board port selection of the auxiliary detection board is incorrect.

5. Which of the following is an electrical layer particle that the TSXL veneer can cross.

A) ODU2
B) ODU1
C) ODU3
D) ODU4

Solutions: