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Huawei H31-421-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: LTE Air Interface | 30% | - MIMO and multi-antenna technologies - Cell search, random access and paging procedures - LTE network evolution and 3GPP standards - Frame structure and channel structure for FDD/TDD - Radio interface protocols and architecture - OFDMA and SC-FDMA principles - Physical channels, signals and reference signals |
| Topic 2: eNodeB Reconfiguration and Maintenance | 13% | - Typical scenario configuration adjustment - Radio parameter planning and configuration - Routine maintenance and performance monitoring - Transmission and device data configuration - eNodeB configuration management process |
| Topic 3: LTE Advanced Troubleshooting | 30% | - VSWR and PIM related issues - Interworking issues with 2G/3G networks - Antenna and feeder system fault analysis - KPI analysis and problem location - Common fault handling workflow - eNodeB transmission fault diagnosis - Coverage, capacity and interference optimization |
| Topic 4: LTE Signaling and Protocols | 27% | - UE attach, TAU and detach procedures - Bearer establishment and management - EPS network architecture and interfaces - RRC, PDCP, RLC, MAC layer functions - X2AP and S1AP signaling processes - Intra-LTE and inter-RAT handover procedures |
Huawei HCIP-LTE (Huawei Certified ICT Professional-LTE) Sample Questions:
Which of the following boards belong to BBU's baseband system?
- A. UPEU/UEIU
- B. UTRP
- C. LMPT/UMPT
- D. LBBP
Correct Answer: D 🗳️
Which of the following is a functional X2AP agreement?
- A. Mobility Management
- B. eNodeB configuration updates
- C. E-RAB management
- D. Load Management
- E. Paging
Correct Answer: A,B,D,E 🗳️
In TD-LTE system, complete synchronization with UpPTS through DwPTS.
- A. False
- B. True
Correct Answer: A 🗳️
Which of the following layers performs the HARQ function?
- A. MAC
- B. RLC
- C. PDCP
- D. RRC
Correct Answer: A 🗳️
How many physical cell identities are in LTE system?
- A. 512
- B. 3
- C. 504
- D. 503
Correct Answer: C 🗳️
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