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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: OTN Technology | 25% | - OTN Protection - ROADM Technology - OTN Architecture and Structure - ODU and OTU Mapping - WDM Principles |
| Topic 2: SDH/SONET Technology | 20% | - SDH Equipment and Interfaces - SDH Frame Structure - SDH Protection Mechanisms - SDH Multiplexing Principles |
| Topic 3: Huawei Transmission Products Overview | 15% | - OSN 3800/5800/6800/8800 Series - Product Portfolio and Positioning - OSN 1800 Series |
| Topic 4: Packet Transport Network (PTN) | 15% | - QoS Mechanisms - MPLS-TP Principles - PTN Protection Mechanisms |
| Topic 5: Transmission Network Maintenance | 15% | - Performance Monitoring - Common Alarm Analysis - Network Commissioning - Typical Troubleshooting |
| Topic 6: Optical Communication Basics | 10% | - Optical Fiber Types and Characteristics - Optical Communication Principles - DWDM Fundamentals |
Huawei HCIA-Transmission V2.5 Sample Questions:
Question 1
A bidirectional ring means that the routes for sending and receiving services are consistent, that is, they correspond to consistent routes.
A. False
B. True
Question 2
In a wavelength division multiplexing system, when the wave number exceeds how many wavelengths, is it recommended to use an arrayed waveguide grating (AWG)?
A. 20
B. 4
C. 16
D. 8
Question 3
In a wavelength division system, after a certain distance of transmission, the optical signal-to-noise ratio of the receiving end signal will be reduced to a certain extent. Which is the main reason?
A. Use of Wavelength Combiner
B. No new optical fiber is used
C. Use of EDFA
D. The optical fiber attenuation is too large
Question 4
The dual-fiber ring topology consisting of three network elements is arranged in counterclockwise order as AB, CA and the service between C occupies the 48th VC-12 time slot of the first VC4 on the short path, and the service between B and C also occupies the 48th VC-12 time slot of the first VC-4 on the short path.
In this case, which of the following is the type of subnet that the ring protects?
A. Bidirectional MSP ring
B. All of the above
C. Single-path protection ring
D. SNCP ring
Question 5
Forced switching, fiber switching, manual switching and motion switching are in descending order of priority.
A. False
B. True
Solutions:
| Question 1 Answer: B | Question 2 Answer: C | Question 3 Answer: C | Question 4 Answer: A | Question 5 Answer: B |
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