H31-421-ENU Questions & Answers & H31-421-ENU Study Guide & H31-421-ENU Exam Preparation

Huawei H31-421-ENU : HCIP-LTE (Huawei Certified ICT Professional-LTE)

Exam Code: H31-421-ENU

Exam Name: HCIP-LTE (Huawei Certified ICT Professional-LTE)

Updated: Nov 04, 2026

Q & A: 195 Questions and Answers

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Huawei H31-421-ENU Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: LTE Air Interface30%- 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 Maintenance13%- 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 Troubleshooting30%- 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 Protocols27%- 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:

Question #1

Which of the following boards belong to BBU's baseband system?

  • A. UPEU/UEIU
  • B. UTRP
  • C. LMPT/UMPT
  • D. LBBP
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #2

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
Reveal Solution  Discussion  0

Correct Answer: A,B,D,E  🗳️

Question #3

In TD-LTE system, complete synchronization with UpPTS through DwPTS.

  • A. False
  • B. True
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #4

Which of the following layers performs the HARQ function?

  • A. MAC
  • B. RLC
  • C. PDCP
  • D. RRC
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #5

How many physical cell identities are in LTE system?

  • A. 512
  • B. 3
  • C. 504
  • D. 503
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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