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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. Four network elements A, B, C, and D form an SNCP ring, and there are a large number of PDH services between A and B.
One day, the fiber between A and B was interrupted.
In order to eliminate the R-LOS alarm on the network management system, an engineer self-looped the optical ports at both ends of the interrupted fiber. After 10 minutes by default, what will happen?

A) The service between A and B is interrupted, and the switching alarm does not disappear
B) The business between A and B is not affected, and the switching alarm disappears
C) The service between A and B is interrupted, and the switching alarm disappears
D) The services of A and B will not be affected, and the switching alarm will not disappear

2. The OSN 8800 equipment enhances the relationship between the front and back of the PIU slots of the subrack as the primary and backup slots. Which of the following is the correct relationship between the primary and backup slots? () (multiple choice)

A) 79 and 80
B) 69 and 78
C) 78 and 81
D) 70 and 79
E) 70 and 88
F) 69 and 89

3. What is correct about traffic policing and traffic shaping?

A) Traffic policing can be used in the outbound and inbound directions, and traffic shaping can only be used in the outbound direction
B) Traffic policing can only be used in the inbound direction, and traffic shaping can only be used in the outbound direction
C) Traffic policing can only be used in the outbound direction, and traffic shaping can only be used in the inbound direction
D) Traffic policing can be used in the outbound and inbound directions, and traffic shaping can only be used in the inbound direction

4. The following is wrong about the position of the dispersion module in the signal flow.

A) The OTM station usually pre-fills 20KM DCM before sending OBU
B) If there is an OAU board, DCM is placed between OAU's TDC/RDC
C) If there are two OBU boards, the DCM is placed between the two OBUs
D) If there is only one OBU board, the DCM is placed after the OBU

5. The ring network of the OSN6800 equipment group was newly opened, and ODU1-SNCP/N protection was enabled. The engineer reported that a switch occurred one day and has not been restored, but there is no problem with the optical cable. There is an ODU_SNCP_PS alarm on the corresponding ND2 optical port.
Possible reasons are: (multiple choices)

A) The protection type is configured as SNC/I
B) The related circuit board has a minor alarm ODU1_PM_LCK
C) "LCK Insert" is set to enable the PM overhead of the related circuit board
D) Related circuit board failure

Solutions: