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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| SDH/SONET Technology | 20% | - SDH Protection Mechanisms - SDH Equipment and Interfaces - SDH Multiplexing Principles - SDH Frame Structure |
| Packet Transport Network (PTN) | 15% | - MPLS-TP Principles - QoS Mechanisms - PTN Protection Mechanisms |
| Huawei Transmission Products Overview | 15% | - OSN 3800/5800/6800/8800 Series - Product Portfolio and Positioning - OSN 1800 Series |
| OTN Technology | 25% | - ROADM Technology - WDM Principles - OTN Architecture and Structure - ODU and OTU Mapping - OTN Protection |
| Transmission Network Maintenance | 15% | - Network Commissioning - Performance Monitoring - Common Alarm Analysis - Typical Troubleshooting |
| Optical Communication Basics | 10% | - DWDM Fundamentals - Optical Communication Principles - Optical Fiber Types and Characteristics |
Huawei HCIA-Transmission V2.5 Sample Questions:
1. Modulation is the process of processing the information of the signal source and adding it to the carrier to make it suitable for channel transmission. It is a technology that changes the carrier with the signal. There are two types of modulated signals, namely analog signals and digital signals. Using analog signals to control the change of carrier parameters is called analog modulation; using data signals to control the change of carrier signal parameters is called digital modulation.
A) True
B) False
2. What is the structure of STM-16?
A) 9*270*64
B) 9*270*4
C) 9*270*1
D) 9*270*16
3. In WDM network design, as long as enough EDFAs are cascaded to compensate for the optical power loss during transmission, the system can transmit over a long distance without limitation.
A) True
B) False
4. In Recommendation ITU-TG692, the allowed signal frequencies are based on the reference frequency () and the channel spacing can be 100 GHz, 50 GHz or 25 GHz.
A) 194.1 THz
B) 1931 Terahertz
C) 196.1 terahertz
D) 192.1 terahertz
5. Which of the following descriptions of self-healing networks are correct? (Multiple choice)
A) Building a self-healing network requires backup routing
B) Self-healing networks can automatically restore services without human intervention
C) The equipment of the self-healing grid must have strong cross-connection capabilities
D) The time it takes for a self-healing network to restore services is very short, and users can hardly feel it.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: A,B,C,D |
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