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Real Huawei H31-421 practice exam questions for easy pass!

Last Updated: Aug 24, 2026

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Huawei H31-421 Exam Syllabus Topics:

SectionObjectives
Topic 1: QoS and Service Management- Bearer Management
  • 1. QoS Class Identifier (QCI)
    • 2. EPS bearer concepts
      - Policy Control
      • 1. Traffic prioritization
        • 2. PCRF functions
          Topic 2: LTE Air Interface Fundamentals- Physical Layer Procedures
          • 1. Channel coding and multiplexing
            • 2. Synchronization and reference signals
              - OFDM / SC-FDMA Principles
              • 1. Resource block structure
                • 2. Uplink and downlink modulation
                  Topic 3: Mobility Management- Handover Procedures
                  • 1. Inter-RAT mobility
                    • 2. Intra-LTE handover
                      - Tracking and Location Update
                      • 1. Paging mechanism
                        • 2. TAU procedures
                          Topic 4: LTE System Architecture- E-UTRAN Overview
                          • 1. Radio access network structure
                            • 2. eNodeB functions and interfaces
                              - EPC (Evolved Packet Core)
                              • 1. Core network architecture
                                • 2. MME, SGW, PGW roles
                                  Topic 5: LTE Network Optimization and Troubleshooting- Performance Optimization
                                  • 1. Interference analysis
                                    • 2. Coverage and capacity tuning
                                      - Fault Diagnosis
                                      • 1. Signaling analysis
                                        • 2. Network KPIs monitoring

                                          Huawei HCIP-LTE V1.0 Sample Questions:

                                          1. How many preamble signature are available in each cell in the LTE?

                                          A) 12
                                          B) 64
                                          C) 1200
                                          D) 16


                                          2. Which of the following messages will not appear during the X2 interface switching?

                                          A) Path switch request
                                          B) Initial context setup request
                                          C) Handover request
                                          D) RRC reconfiguration request


                                          3. The establishment of dedicated bearer is triggered by the PCRF.

                                          A) True
                                          B) False


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

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


                                          5. If eNodeB uses the 1588V2 clock, in the command "SET CLKMODE", the parameter of "Clock Work Mode" is set to "manual", so the parameter of "the set reference clock source" should be set as which of the following selection?

                                          A) BITS
                                          B) TOD
                                          C) GPS
                                          D) IPCLK


                                          Solutions:

                                          Question # 1
                                          Answer: B
                                          Question # 2
                                          Answer: B
                                          Question # 3
                                          Answer: B
                                          Question # 4
                                          Answer: A
                                          Question # 5
                                          Answer: D

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