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Huawei H31-421 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| LTE Air Interface | 30% | - OFDMA and SC-FDMA principles - Radio interface protocols and architecture - LTE network evolution and 3GPP standards - Cell search, random access and paging procedures - Frame structure and channel structure for FDD/TDD - MIMO and multi-antenna technologies - Physical channels, signals and reference signals |
| eNodeB Reconfiguration and Maintenance | 13% | - eNodeB configuration management process - Typical scenario configuration adjustment - Transmission and device data configuration - Radio parameter planning and configuration - Routine maintenance and performance monitoring |
| LTE Advanced Troubleshooting | 30% | - Coverage, capacity and interference optimization - Antenna and feeder system fault analysis - Common fault handling workflow - VSWR and PIM related issues - eNodeB transmission fault diagnosis - KPI analysis and problem location - Interworking issues with 2G/3G networks |
| LTE Signaling and Protocols | 27% | - UE attach, TAU and detach procedures - Bearer establishment and management - EPS network architecture and interfaces - X2AP and S1AP signaling processes - Intra-LTE and inter-RAT handover procedures - RRC, PDCP, RLC, MAC layer functions |
Huawei HCIP-LTE V1.0 Sample Questions:
1. Relative to the OFDMA, Which of the following features does SC_FDMA have? (Multiple choice)
A) Support link adaptation and multi-user scheduling of frequency dimension
B) SC_FDMA has a higher PAPR, ease of design of the UE amplifier
C) User multiplexing can be conveniently implemented by processes such as DFT transformation and orthogonal subcarrier mapping
D) Relatively conventional single-carrier frequency reuse, users can achieve complete orthogonal frequency reuse, while ensuring spectral efficiency
2. How many physical cell identities are in LTE system?
A) 504
B) 3
C) 503
D) 512
3. Which of the following the channel carry the measurement configuration information in the process of switching?
A) PRACH
B) PUSCH
C) PUCCH
D) PDSCH
4. By default, what can be the maximum TTL value of datagram sent by Tracert? If the packet does not respond within the specified time, the TTL value will be displayed on the sending end.
A) 30
B) 8
C) 45
D) 16
5. Which of the following channels is located between the RLC and MAC layers?
A) Physical channel
B) Wireless channel
C) Logical channel
D) Transmission channel
Solutions:
| Question # 1 Answer: A,C,D | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: C |
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