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Huawei H31-421-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: LTE Advanced Troubleshooting | 30% | - VSWR and PIM related issues - Antenna and feeder system fault analysis - eNodeB transmission fault diagnosis - KPI analysis and problem location - Interworking issues with 2G/3G networks - Coverage, capacity and interference optimization - Common fault handling workflow |
| Topic 2: eNodeB Reconfiguration and Maintenance | 13% | - Routine maintenance and performance monitoring - Radio parameter planning and configuration - eNodeB configuration management process - Typical scenario configuration adjustment - Transmission and device data configuration |
| Topic 3: LTE Signaling and Protocols | 27% | - Bearer establishment and management - 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 |
| Topic 4: LTE Air Interface | 30% | - Frame structure and channel structure for FDD/TDD - LTE network evolution and 3GPP standards - Radio interface protocols and architecture - Physical channels, signals and reference signals - MIMO and multi-antenna technologies - Cell search, random access and paging procedures - OFDMA and SC-FDMA principles |
Huawei HCIP-LTE (Huawei Certified ICT Professional-LTE) Sample Questions:
1. In a sub-frame, how many symbols in the time domain are used as PDCCH channels?
A) 5
B) 3
C) 1
D) 7
2. Which of the following channels is the control information for transmitting the number of OFDMA symbols occupied by the PDCCH?
A) PBCH
B) PDSCH
C) PDCCH
D) PCFICH
3. Use the command LST VER to check the software version of the master area and the slave area.
A) TRUE
B) FALSE
4. Which of the following parameters determines the position of the PRACH channel in the uplink frequency band?
A) Measured cell reception level value
B) PRACH configuration index
C) Frequency Offset
D) Offset in signal Qrxlevmin
5. Which of the following statements about special sub-frames are wrong? (Multiple choice)
A) Special sub-frames include downlink pilot timeslot, guard period and uplink pilot time slot
B) DwPTS and UpPTS can carry uplink and downlink information, GP is used to avoid the downlink signal (delayed arrival) to disturb the uplink signal (early transmission)
C) The guard period (GP) exists only between special sub-frames
D) DwPTS can be configured to random access preamble, UpPTS can contain scheduling information
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: C,D |
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