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Updated: Sep 10, 2026
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Huawei H31-421-ENU Exam Overview:
| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-LTE V1.0 Certification Exam |
| Exam Number: | H31-421 |
| Exam Duration: | 90-120 |
| Related Certifications: | HCIE-LTE HCIA-LTE |
| Certificate Validity Period: | 3 years |
| Available Languages: | Chinese, English |
| Exam Format: | Multiple choice, Scenario-based questions, Single choice |
| Recommended Training: | Huawei Talent Learning Platform - HCIP-LTE Training |
| Exam Registration: | Huawei Talent Certification Portal |
| Sample Questions: | Huawei H31-421-ENU Sample Questions |
| Exam Way: | Online proctored or authorized testing center |
| Pre Condition: | HCIA-LTE or equivalent LTE foundational knowledge is recommended |
| Official Syllabus URL: | https://e.huawei.com/en/talent/certifications |
Huawei H31-421-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: LTE System Architecture | - LTE Network Elements and Interfaces - E-UTRAN and EPC Architecture |
| Topic 2: LTE Advanced Features | - VoLTE and IMS Introduction - Carrier Aggregation |
| Topic 3: LTE Protocol Stack | - RRC, PDCP, RLC, MAC Functions - Control and User Plane Architecture |
| Topic 4: LTE Security and QoS | - Authentication and Encryption - QoS Mechanisms in LTE |
| Topic 5: Mobility Management | - Idle and Connected Mode Mobility - Handover Procedures |
| Topic 6: LTE Air Interface Principles | - OFDM and SC-FDMA Principles - Physical Layer Structure |
| Topic 7: Network Planning and Optimization | - Radio Network Planning Basics - Performance Optimization Techniques |
Huawei HCIP-LTE (Huawei Certified ICT Professional-LTE) Sample Questions:
Which of the following data requirements need to be considered by transmission bandwidth planning on the LTE site? (Multiple choice)
- A. S1 interface user plane data and control plane data
- B. OM data
- C. X2 interface user plane data and control plane signaling
- D. S11 interface user plane data and control plane data
- E. IP Clock data
Which of the following boards can be blocked? (Multiple choice)
- A. RRU
- B. RFU
- C. LBBP
- D. LMPT
Which scenario is used by RA-RNTI?
- A. UE for identifying the RRC Connect status
- B. semi-static scheduling identification
- C. In random access, being used to indicate to receive the random-access response message
- D. In random access, there is no pre-competitive CRNTI
ACK/NACK feedback for uplink HARQ process, which of the following channels can be carried?
- A. PHICH
- B. PUCCH
- C. PUSCH
- D. PRACH
If eNodeB uses the 1588V2 clock, in the command "SET CLKMODE", the parameter of "Clock Work Mode" is set to "manual", so the parameter of "the set reference clock source" should be set as which of the following selection?
- A. TOD
- B. GPS
- C. BITS
- D. IPCLK
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