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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Optical Communication Basics | 10% | - Optical Fiber Types and Characteristics - Optical Communication Principles - DWDM Fundamentals |
| Huawei Transmission Products Overview | 15% | - OSN 1800 Series - Product Portfolio and Positioning - OSN 3800/5800/6800/8800 Series |
| Transmission Network Maintenance | 15% | - Common Alarm Analysis - Typical Troubleshooting - Performance Monitoring - Network Commissioning |
| SDH/SONET Technology | 20% | - SDH Multiplexing Principles - SDH Equipment and Interfaces - SDH Protection Mechanisms - SDH Frame Structure |
| Packet Transport Network (PTN) | 15% | - PTN Protection Mechanisms - QoS Mechanisms - MPLS-TP Principles |
| OTN Technology | 25% | - OTN Protection - WDM Principles - ROADM Technology - OTN Architecture and Structure - ODU and OTU Mapping |
Huawei HCIA-Transmission V2.5 Sample Questions:
1. Which of the following descriptions of the electrical layer multiplexing phase mapping steps of ODU0 is wrong?
A) 80 0DU0 signals are mapped and multiplexed, and finally multiplexed into 1 OTU4 signal
B) After mapping and multiplexing, two DDU0 signals can be multiplexed into one OTU1[V] signal.
C) After mapping and multiplexing, 8 ODU0 signals can be multiplexed into 1 0TU2V VI signal.
D) After mapping and multiplexing, 34 0DU0 signals can be multiplexed into 1 OTU3[VM signal
2. Which of the following statements about the MSP ring are correct? (Multiple choice)
A) When multiple protection subnets occupy the same port on the same board, you must select
"Resource Sharing"
B) When creating a protection subnet, select only SDH network elements. Do not select REG or WOM network elements.
C) The number of nodes in the MSP ring cannot exceed 16
D) Assignment by VC4 means assigning different VC4s to different protection subnets to achieve MSP2Q only in certain channels
3. Which of the following is a characteristic of WDM network expansion?
A) High time cost
B) Maximize the retention of existing investments
C) High network complexity
4. Corresponding to the ISO seven-layer model, Ethernet corresponds to the physical layer and network layer of the seven-layer model, while the specifications defined by Ethernet include the MAC sublayer and physical layer of the data link layer.
A) False
B) True
5. 40G non-coherent systems and 100G coherent systems cannot be mixed.
A) False
B) True
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: A,B,C,D | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: B |
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