Exam Code: H31-421-ENU
Exam Name: HCIP-LTE (Huawei Certified ICT Professional-LTE)
Certification Provider: Huawei
Corresponding Certification: Huawei-certification

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Updated: Jul 29, 2026

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Huawei H31-421-ENU Exam Overview:

Certification Vendor:	Huawei
Exam Name:	HCIP-LTE (Huawei Certified ICT Professional - LTE)
Exam Number:	H31-421-ENU
Real Exam Qty:	60-70
Related Certifications:	HCIA-LTE HCIP Wireless Network HCIE Wireless
Exam Format:	Multiple Choice, Multiple Response, True/False, Drag and Drop
Exam Price:	USD 200 (varies by region)
Available Languages:	English, Chinese
Certificate Validity Period:	3 years
Exam Duration:	90-120
Passing Score:	600/1000
Recommended Training:	Huawei eLTE Training Courses
Exam Registration:	Huawei Talent Certification Portal
Sample Questions:	Huawei H31-421-ENU Sample Questions
Exam Way:	Computer-based exam (online or authorized test center)
Pre Condition:	Recommended: HCIA-LTE or equivalent LTE fundamentals knowledge
Official Syllabus URL:	https://e.huawei.com/en/talent

Huawei H31-421-ENU Exam Syllabus Topics:

Section	Objectives
LTE Air Interface Fundamentals	- Physical Layer Procedures 1. Synchronization and reference signals 2. Channel coding and multiplexing - OFDM / SC-FDMA Principles 1. Uplink and downlink modulation 2. Resource block structure
Mobility Management	- Tracking and Location Update 1. Paging mechanism 2. TAU procedures - Handover Procedures 1. Inter-RAT mobility 2. Intra-LTE handover
LTE System Architecture	- EPC (Evolved Packet Core) 1. Core network architecture 2. MME, SGW, PGW roles - E-UTRAN Overview 1. eNodeB functions and interfaces 2. Radio access network structure
LTE Network Optimization and Troubleshooting	- Performance Optimization 1. Interference analysis 2. Coverage and capacity tuning - Fault Diagnosis 1. Signaling analysis 2. Network KPIs monitoring
QoS and Service Management	- Policy Control 1. PCRF functions 2. Traffic prioritization - Bearer Management 1. EPS bearer concepts 2. QoS Class Identifier (QCI)

Huawei HCIP-LTE (Huawei Certified ICT Professional-LTE) Sample Questions:

1. To support lossless switching on the X2 interface, which of the following information needs to be exchanged between the eNodeB?

A) Security information
B) PDCP SN
C) PCI
D) UE capability

2. Which of the following is established during the process of RRC setup?

A) SRB1
B) SRB0
C) SRB2
D) DRB

3. Which of the following RRUs apply to the LTE standard? (Multiple choice)

A) RRU3936
B) RRU3829
C) RRU3279
D) RRU3256

4. Which of the following parameters need to be negotiated with the core network MME configuration (multiple choice)

A) Tracking area code
B) Mobile country code
C) mobile network code
D) Preamble code

5. Which of the following message is the switchover command in LTE system contained in? (Multiple Choice)

A) Measurement control
B) RRC connection setup
C) RRC connection reconfiguration

Solutions:

Question # 1
Answer: B

Question # 2
Answer: A

Question # 3
Answer: A,C,D

Question # 4
Answer: A,B,C

Question # 5
Answer: A,B,C

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