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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: WDM and OTN Technologies | - Wavelength Division Multiplexing (WDM)
|
| Topic 2: Optical Fiber Communication | - Optical fiber structure and characteristics
|
| Topic 3: Transmission Fundamentals | - Basic ICT and transmission network principles
|
| Topic 4: SDH Technology | - Synchronous Digital Hierarchy (SDH)
|
| Topic 5: Transmission Network Operation & Maintenance | - Network deployment and maintenance
|
Huawei HCIA-Transmission V2.5 Sample Questions:
1. Self-healing means that when a network failure occurs, the network automatically recovers from the failure in a very short time (ITU-T stipulates that it is within ()) without human intervention, so that users can hardly feel that the network has failed.
A) 20 ms
B) 100 ms
C) 200 ms
D) 50 ms
2. Two PD1 boards and one DMS board jointly implement the TPS protection function.
A) True
B) False
3. FAS is the frame alignment overhead, with a length of 6 bytes, located in the 1st row and the 1st to 6th columns. The 1st to 3rd bytes are 3 OA1 bytes, each OA1 is always "1111 0110", which is F6 in hexadecimal. The 4th to 6th bytes are 3 OA2 bytes, each OA2 is always "0010 1000", which is 28 in hexadecimal.
A) True
B) False
4. Which of the following light sources has the best dispersion tolerance and stability?
A) EA modulated light source
B) None of the above
C) Directly modulated light source
D) Mach-Zehnder modulated light source
5. Which of the following values has the highest clock quality?
A) 00000100
B) 00001000
C) 00001011
D) 00000010
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: D |
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