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Huawei H31-421 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: LTE Air Interface | 30% | - Cell search, random access and paging procedures - LTE network evolution and 3GPP standards - Frame structure and channel structure for FDD/TDD - OFDMA and SC-FDMA principles - Radio interface protocols and architecture - MIMO and multi-antenna technologies - Physical channels, signals and reference signals |
| Topic 2: LTE Signaling and Protocols | 27% | - EPS network architecture and interfaces - Bearer establishment and management - Intra-LTE and inter-RAT handover procedures - RRC, PDCP, RLC, MAC layer functions - UE attach, TAU and detach procedures - X2AP and S1AP signaling processes |
| Topic 3: eNodeB Reconfiguration and Maintenance | 13% | - Routine maintenance and performance monitoring - eNodeB configuration management process - Transmission and device data configuration - Radio parameter planning and configuration - Typical scenario configuration adjustment |
| Topic 4: LTE Advanced Troubleshooting | 30% | - VSWR and PIM related issues - Coverage, capacity and interference optimization - Common fault handling workflow - KPI analysis and problem location - Interworking issues with 2G/3G networks - eNodeB transmission fault diagnosis - Antenna and feeder system fault analysis |
Huawei HCIP-LTE V1.0 Sample Questions:
1. How many available PRACH leading sequence in an LTE cell?
A) 512
B) 128
C) 64
D) 256
2. How many resource allocation types does PDSCH have?
A) 4
B) 3
C) 1
D) 2
3. When an LTE user is uploading files, which of the following channels must be used? (Multiple Choice)
A) PRACH
B) PDSCH
C) PUSCH
D) PDCCH
4. Which of the following is unlikely an UE identification in the paging message?
A) S-TMSI
B) IMSI
C) C-RNTI
5. Which of the following channels cannot carry RRC messages? (Multiple choice)
A) PRACH
B) PRACH
C) PHICH
D) PDSCH
E) PUSCH
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: B,C,D | Question # 4 Answer: C | Question # 5 Answer: A,B,C |
