Learn with Huawei : H31-311-ENU training material for 100% pass
Updated: May 28, 2026
No. of Questions: 190 Questions & Answers with Testing Engine
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Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) Sample Questions:
1. The backplane has two -48 V power supply cables, and each board obtains two -48 V power supplies from the backplane. After the power supplies are combined by diodes, various voltages required by each component are obtained through the DC/DC power module and linear conversion.
A) FALSE
B) TRUE
2. The STAT indicator of an SDH board is blinking red, on for 100 ms and off for 100 ms.
Which of the following is the meaning of the indicator status?
A) Normal operating
B) No power supply input
C) Hardware mismatch
D) Hardware fault
3. In an OSN 550, the CXL slot houses a functional board that integrates the system control and communication (SCC) unit, cross-connect unit, and clock unit. The functional board is available in multiple types depending on the functions and access capabilities provided by the OSN 550.
A) FALSE
B) TRUE
4. Which of the following statements about an MSP ring are correct? (Multiple Choice)
A) "Assigned by VC4" means that different VC4s are assigned to different protection subnets to achieve MSP only in some channels.
B) When creating a protection subnet, select SDH NEs only. Do not select REG or WDM NEs.
C) The number of nodes on an MSP ring cannot exceed 16.
D) When multiple protection subnets occupy the same port on the same board, you must select "Resource Sharing".
5. For the OSN 3500, there is a slot mapping relationship between processing boards and interface boards. The processing board in slot 1 maps to the interface board in slot 19-20.
A) FALSE
B) TRUE
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: A,B,C,D | Question # 5 Answer: A |
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