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Updated: Jul 20, 2026
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Huawei H31-421 Exam Overview:
| Certification Vendor: | Huawei |
| Exam Name: | HCIP-LTE V1.0 |
| Exam Number: | H31-421 |
| Available Languages: | English, Chinese |
| Passing Score: | 600/1000 |
| Certificate Validity Period: | 3 years |
| Exam Price: | 300 USD |
| Exam Format: | Single-answer questions, Multiple-answer questions, True or false |
| Real Exam Qty: | 60 |
| Related Certifications: | HCIA-LTE HCIP-LTE-RNP&RNO HCIE-LTE |
| Exam Duration: | 90 minutes |
| Recommended Training: | HCIP-LTE Official Training Material |
| Exam Registration: | Huawei Talent Certification Portal Pearson VUE Registration |
| Sample Questions: | Huawei H31-421 Sample Questions |
| Exam Way: | Written proctored exam; available at authorized test centers and online proctoring where supported |
| Pre Condition: | Huawei recommends HCIA-LTE certification or equivalent practical knowledge of LTE fundamentals |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/ |
Huawei H31-421-ENU certification exam is a challenging test that requires a deep understanding of LTE technology and its application in real-world scenarios. To prepare for the exam, candidates are advised to study a range of materials, including technical manuals, white papers, and online training courses.
Huawei Certified ICT Professional-LTE (HCIP-LTE) exam, also known as the H31-421-ENU, is one of the most comprehensive programs offered by Huawei for LTE professionals. It aims to provide participants with the in-depth knowledge and skills needed to plan, design, install, configure, and maintain LTE networks efficiently.
Huawei H31-421 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: LTE Advanced Troubleshooting | 30% | - eNodeB transmission fault diagnosis - Interworking issues with 2G/3G networks - KPI analysis and problem location - Antenna and feeder system fault analysis - Coverage, capacity and interference optimization - VSWR and PIM related issues - Common fault handling workflow |
| Topic 2: eNodeB Reconfiguration and Maintenance | 13% | - Radio parameter planning and configuration - Transmission and device data configuration - Typical scenario configuration adjustment - eNodeB configuration management process - Routine maintenance and performance monitoring |
| Topic 3: LTE Signaling and Protocols | 27% | - X2AP and S1AP signaling processes - Intra-LTE and inter-RAT handover procedures - EPS network architecture and interfaces - UE attach, TAU and detach procedures - RRC, PDCP, RLC, MAC layer functions - Bearer establishment and management |
| Topic 4: LTE Air Interface | 30% | - Cell search, random access and paging procedures - Radio interface protocols and architecture - Frame structure and channel structure for FDD/TDD - MIMO and multi-antenna technologies - Physical channels, signals and reference signals - LTE network evolution and 3GPP standards - OFDMA and SC-FDMA principles |
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