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Huawei H31-421 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| LTE Advanced Troubleshooting | 30% | - eNodeB transmission fault diagnosis - Antenna and feeder system fault analysis - VSWR and PIM related issues - KPI analysis and problem location - Coverage, capacity and interference optimization - Interworking issues with 2G/3G networks - Common fault handling workflow |
| LTE Air Interface | 30% | - Physical channels, signals and reference signals - OFDMA and SC-FDMA principles - LTE network evolution and 3GPP standards - Radio interface protocols and architecture - MIMO and multi-antenna technologies - Frame structure and channel structure for FDD/TDD - Cell search, random access and paging procedures |
| eNodeB Reconfiguration and Maintenance | 13% | - eNodeB configuration management process - Routine maintenance and performance monitoring - Typical scenario configuration adjustment - Transmission and device data configuration - Radio parameter planning and configuration |
| LTE Signaling and Protocols | 27% | - RRC, PDCP, RLC, MAC layer functions - X2AP and S1AP signaling processes - Intra-LTE and inter-RAT handover procedures - UE attach, TAU and detach procedures - EPS network architecture and interfaces - Bearer establishment and management |
Huawei HCIP-LTE V1.0 Sample Questions:
Question 1
What is the command to check the information of optical module?
A. DSP SFP
B. DSP CPRIBR
C. DSP CPRILBR
D. DSP CPRIPORT
Question 2
In summary collection form, which of the following NE's address is the value of parameters "S1Sig LogicIP"?
A. neighboring eNodeB
B. MME
C. SGW
D. U2000
Question 3
How many standard QCI (QoS Class Identifier) are defined in LTE system?
A. 9
B. 10
C. 8
D. 6
Question 4
By default, what can be the maximum TTL value of datagram sent by Tracert? If the packet does not respond within the specified time, the TTL value will be displayed on the sending end.
A. 30
B. 45
C. 16
D. 8
Question 5
The U2000 can provide some performance monitoring capabilities. Which of the following performance monitoring features can be used to monitor RB usage?
A. Community performance monitoring
B. RRU Performance Monitoring
C. User Performance Monitoring
D. Transmission Performance Monitoring
Solutions:
| Question 1 Answer: A | Question 2 Answer: B | Question 3 Answer: A | Question 4 Answer: A | Question 5 Answer: A |



