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Huawei H31-421-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: LTE Signaling and Protocols | 27% | - Intra-LTE and inter-RAT handover procedures - X2AP and S1AP signaling processes - EPS network architecture and interfaces - UE attach, TAU and detach procedures - Bearer establishment and management - RRC, PDCP, RLC, MAC layer functions |
| Topic 2: eNodeB Reconfiguration and Maintenance | 13% | - Typical scenario configuration adjustment - Transmission and device data configuration - eNodeB configuration management process - Routine maintenance and performance monitoring - Radio parameter planning and configuration |
| Topic 3: LTE Air Interface | 30% | - MIMO and multi-antenna technologies - Radio interface protocols and architecture - OFDMA and SC-FDMA principles - LTE network evolution and 3GPP standards - Cell search, random access and paging procedures - Frame structure and channel structure for FDD/TDD - Physical channels, signals and reference signals |
| Topic 4: LTE Advanced Troubleshooting | 30% | - KPI analysis and problem location - eNodeB transmission fault diagnosis - Coverage, capacity and interference optimization - Common fault handling workflow - VSWR and PIM related issues - Antenna and feeder system fault analysis - Interworking issues with 2G/3G networks |
Huawei HCIP-LTE (Huawei Certified ICT Professional-LTE) Sample Questions:
PUCCH channel's resource block is in the middle of the uplink band.
- A. TRUE
- B. FALSE
Correct Answer: B 🗳️
Which DCI can be used to send uplink power control command? (Multiple choice)
- A. DCI3
- B. DCI1A
- C. DCI3A
- D. DCI1
Correct Answer: A,C 🗳️
How many preamble signature are available in each cell in the LTE?
- A. 16
- B. 1200
- C. 12
- D. 64
Correct Answer: D 🗳️
Which of the following are the functions of the Uu interface MAC layer? (Multiple choice)
- A. Random access control
- B. HARQ
- C. Map logical channels to transport channels
- D. Encryption and integrity protection
- E. Scheduling
Correct Answer: A,B,C,E 🗳️
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. IPCLK
- D. BITS
Correct Answer: C 🗳️
