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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. The following authorizations need to be obtained for the live network change operation (multiple choice)

A) Manage authorization
B) Technology authorization
C) Authorized by the supervisor
D) Project authorization
E) Customer authorization

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

3. NE1, NE2, NE3, NE4, and NE5 form an MSP ring, and there is an STM-1 link between NE1 and NE3. An SNCP VC-4 service is created between NE1 and NE3. The working source of this VC-4 service is on the MSP working path, and the protection source is on the STM-1 link. SNCP delay time is 100ms. When a fiber break occurs for the first time (between NE1 and NE2), the MSP switches normally. When the fiber is cut for the second time in the MSP ring (between NE3 and NE5), the SNCP service is interrupted and no SNCP protection switching occurs.
What are the solutions?

A) Change the rate of STM-1 to STM-4
B) Delete delay time
C) Set HP_UNEQ alarm as SNCP switching trigger condition
D) Remove NE4

4. In the point-to-point WDM networking scenario, the signal-to-noise ratio of a certain single wave is low, and the other channels are normal. The reason is that it is impossible?

A) Increased attenuation on the light path
B) The gain slope of the amplifier changes
C) The attenuation of the pigtail from the OTU board corresponding to this wave to the multiplexer increases
D) The transmit optical power of the OTU board corresponding to this wave has decreased

5. The WDM optical layer ASON DCC D4-D12 setting pass-through has no effect on ASON

A) TRUE
B) FALSE

Solutions: