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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. Which of the following statements about the ALC function and configuration principles of the OTN system is correct? () (multiple choice)

A) It is recommended that the number of network elements in the ALC link is less than 20, otherwise the ALC adjustment may time out and cause failure
B) The ALC function can automatically adjust the output optical power of the amplifier in which the line attenuation changes. Except for the first site, other sites must be equipped with power detection units
C) If there are two cascaded OA boards in the node, the first node only configures the second OA board as the reference unit, and do not deploy the power detection unit
D) Each ALC link has a unique ID, and ALC nodes can belong to different DCN subnets
E) The "working mode" of the OA board and RAU1/RAU2 board must be configured as "gain lock", if it is configured in other modes and ALC is configured, the ALC will not be adjusted
F) The detection and reference unit of the first node cannot use the same optical port of the same board

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

3. Hybrid MSTP devices support inter-domain (packet domain, TDM domain) intercommunication, which of the following descriptions is correct? (multiple choice)

A) TDM services are carried by end-to-end SDH
B) Packet services are carried by end-to-end SDH
C) Packet services are carried by end-to-end packet
D) TDN services are carried by end-to-end packets

4. After the faulty board is found at the beginning of the project, after calling the TAC phone to locate the fault, you can go through the DOA process and apply for spare parts directly

A) FALSE
B) TRUE

5. The TN13FIU board does not support optical power detection, but supports reporting MUT_LOS alarms through alarm synthesis

A) FALSE
B) TRUE

Solutions: