Exam Code: H31-421
Exam Name: HCIP-LTE V1.0
Certification Provider: Huawei
Corresponding Certification: Huawei-certification

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Updated: Jul 25, 2026

No. of Questions: 195 Questions & Answers with Testing Engine

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Huawei H31-421 Exam Overview:

Certification Vendor:	Huawei
Exam Name:	HCIP-LTE (Huawei Certified ICT Professional-LTE)
Exam Number:	H31-421-ENU
Exam Format:	Single-answer Questions, Multiple-answer Questions, True/False Questions
Exam Price:	USD 300
Real Exam Qty:	60
Related Certifications:	HCIA-LTE HCIP-LTE HCIE-LTE
Passing Score:	600/1000
Available Languages:	English, Chinese
Certificate Validity Period:	3 years
Exam Duration:	90 minutes
Sample Questions:	Huawei H31-421 Sample Questions
Exam Way:	Written exam; available through Huawei-authorized testing centers and authorized online delivery where supported.
Pre Condition:	Huawei recommends candidates first learn HCIA-LTE or possess equivalent LTE fundamentals.
Official Syllabus URL:	https://e.huawei.com/en/talent/cert/

Huawei H31-421 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: eNodeB Configuration and Maintenance	13%	- eNodeB Operations 1. Parameter Planning 2. Routine Maintenance 3. Performance Monitoring 4. Configuration Management
Topic 2: LTE Signaling and Protocols	27%	- EPS Architecture 1. EPS Network Elements 2. EPS Interfaces 3. EPS Protocols 4. EPS Signaling - Protocol Layers 1. X2AP Functions and Procedures 2. RRC Structure and States 3. PDCP Operations 4. MAC Functions and Architecture 5. RLC Functions and Modes - Radio Bearers and Channels 1. EPS Bearer Services 2. E-UTRA Radio Bearers 3. E-UTRAN Channel Mapping
Topic 3: LTE Advanced Troubleshooting	30%	- Fault Analysis 1. Interworking with 2G/3G Networks 2. Troubleshooting Procedures 3. Radio Network Problem Diagnosis - Network Optimization 1. KPI Analysis 2. Capacity Optimization 3. Coverage Optimization 4. Radio Network Performance Optimization
Topic 4: LTE Air Interface	30%	- Radio Interface Protocols 1. Uu Interface 2. LTE Radio Interface Protocols 3. Cell Search Procedures - Radio Interface Techniques 1. Spectrum Usage 2. SC-FDMA Principles 3. Transmission Modes 4. OFDM Principles - LTE Physical Layer 1. Physical Channels 2. Channel Structure 3. Reference Signals 4. Physical Signals 5. Frame Structure

Huawei HCIP-LTE V1.0 Sample Questions:

1. What is the maximum number of bits can LTE Turbo encoder handle?

A) 6144 bits
B) 5512 bits
C) 1024 bits
D) 2048 bits

2. Which of the following types of FANs can be installed on the BBU3910? (Multiple choice)

A) FAN
B) FANd
C) FANc
D) FANe

3. The advantages of Multi-antenna technology include? (Multiple choice)

A) Diversity gain
B) Directional signal
C) Array gain
D) Anti-multipath fading gain
E) Spatial multiplexing gain

4. Which of the following can carry NAS signaling? (Multiple choice)

A) SIB3
B) SRB0
C) SIB1
D) SIB2

5. Which of the following channels is the control information for transmitting the number of OFDMA symbols occupied by the PDCCH?

A) PDSCH
B) PDCCH
C) PBCH
D) PCFICH

Solutions:

Question # 1
Answer: A

Question # 2
Answer: B,D

Question # 3
Answer: A,C,D,E

Question # 4
Answer: A,C,D

Question # 5
Answer: D

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