Real Huawei H31-311_V2.5 practice exam questions for easy pass!
Last Updated: Aug 02, 2026
No. of Questions: 750 Questions & Answers with Testing Engine
Download Limit: Unlimited
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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Transmission Network Overview | 10% | - Main technologies and application scenarios - Basic concepts and development history - Network architecture and composition |
| Topic 2: WDM Principles | 15% | - Optical components and systems - Signal flow and transmission performance - Basic principles and classification |
| Topic 3: Transmission Product Overview | 10% | - OptiX series product positioning and features - Hardware composition and functions - Typical application scenarios |
| Topic 4: SDH Principles | 15% | - Network topology and protection mechanisms - Synchronization and timing - Frame structure and multiplexing |
| Topic 5: Transmission Network Protection | 10% | - Protection configuration and application - Protection principles and classification - SDH/WDM/OTN protection schemes |
| Topic 6: NG WDM Networking and Applications | 10% | - System features and networking modes - Protection and reliability - Service access and transmission |
| Topic 7: Ethernet Principles and Services | 10% | - Basic Ethernet concepts - Carrier-grade Ethernet technologies - Service bearing and configuration |
| Topic 8: OTN Principles and Technologies | 10% | - Mapping and adaptation mechanisms - Frame structure and multiplexing - OTN hierarchy and interfaces |
| Topic 9: NCE-T System Introduction | 5% | - Basic operation and management - System functions and architecture |
1. If the virtual cascade group at one end of the device has LCAS enabled, but the other end has not enabled LCAS, the connection fails.
A) True
B) False
2. Which of the following is not an advantage of Raman amplifier?
A) Simple structure
B) High pump power
C) Flexible gain range
D) Low noise index
3. MS-AIS and MS-RDI belong to a group of warning information, and the generation of this alarm is related to both K1 and K2 bytes.
A) True
B) False
4. A local area network is a network formed by interconnecting various communication devices in a small area. Its characteristics are: short distance, low delay, high data rate and reliable transmission.
A) True
B) False
5. The function of the pointer is to locate and indicate the starting position of VC-n in the corresponding AU or TU frame. Through positioning, the receiving end can correctly separate the corresponding VC from STM-N, and then separate the low-speed signals such as PDH by removing the encapsulation of VC and C, that is, to realize the function of directly dropping low-speed tributary signals from STM-M signals.
A) True
B) False
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: A |
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