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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. Which of the following descriptions about PTN setting TPS protection are correct? (multiple choice)

A) The HARD_BAD alarm reported on the protected board will trigger TPS switching
B) The service daughter card protected by TPS must use the interface board for outlet
C) The object of TPS protection is the interface board
D) The object of TPS protection is the business daughter card and the motherboard where the business daughter card is inserted
E) The BD_STATUS alarm reported on the protected board will trigger TPS switching
F) The interface board protected by TPS can be D12, D75, ETFC

2. When planning a 1+1 HSB, the corresponding planning principles should be followed. Which of the following are not HSB planning principles?

A) It is recommended to set the "Alarm reporting method" to "Report only to the protection group"
B) If the recovery type is selected as the protection type, it is recommended to set the waiting recovery time within the range of 5-12 minutes, and it is recommended to set the default value of 10 minutes
C) It is recommended to enable reverse switching to prevent the sender from performing invalid RDI switching due to signal fading
D) Although 1+1 HSB does not limit the slot of the IF board, it is still recommended that the main/backup IF board be installed in the dual slot

3. An ETH_LOS or LINK_ERR alarm occurs on a single Ethernet port of a multi-interface Ethernet board, and the service is interrupted.The possible reasons are: the working mode of the Ethernet port is not matched or the interface rate is inconsistent, the optical module hardware is faulty, and the possible reasons are?

A) MTU parameter setting is too small
B) Optical fiber connection error
C) Ethernet port attribute setting error
D) SDH line VC4 channel failure

4. The C-band 40-wave system is transformed into a C-band 80-wave system. The correct description is (multiple choice)

A) The original business signal-to-noise ratio remains unchanged after operation
B) Unprotected networking operation process will interrupt the original business
C) Need to re-adjust the light emission power
D) There is no change in the optical power of the OTU WDM side

5. 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

Solutions: