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Huawei H31-421-ENU Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: LTE Signaling and Protocols27%- Key Signaling Procedures
  • 1. Attach and Detach
    • 2. Handover and TAU
      • 3. Bearer Establishment and Release
        - Protocol Architecture
        • 1. MAC, RLC, PDCP, RRC
          • 2. S1, X2, Uu Interfaces
            • 3. EPS Network Architecture
              Topic 2: eNodeB Configuration and Maintenance13%- Operation and Maintenance
              • 1. Performance Monitoring
                • 2. Routine Maintenance
                  - Basic Configuration
                  • 1. Parameter Planning
                    • 2. Radio and Transmission Configuration
                      Topic 3: LTE Air Interface30%- Radio Interface Protocols
                      • 1. Random Access Procedure
                        • 2. Paging and Attach Procedures
                          • 3. Cell Search Procedures
                            • 4. Uu Interface
                              - Physical Layer Principles
                              • 1. Frame and Channel Structure
                                • 2. MIMO and Antenna Techniques
                                  • 3. OFDM and SC-FDMA
                                    • 4. Reference Signals and Modulation
                                      Topic 4: LTE Advanced Troubleshooting & Optimization30%- Fault Diagnosis
                                      • 1. Antenna & Feeder System Faults
                                        • 2. Transmission and Signaling Faults
                                          • 3. Interworking with 2G/3G
                                            - Radio Network Optimization
                                            • 1. Coverage and Capacity Optimization
                                              • 2. KPI Analysis and Improvement

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

                                                Question 1

                                                Which of the following commands can be used to check whether the signaling connection on the S1 interface is normal?

                                                A. LST SCTPLNK
                                                B. LST IPPATH
                                                C. DSP SIINTERFACE
                                                D. DSP IPPATH


                                                Question 2

                                                LTE duplexing can use FDD and TDD, what is the advantage of TDD? (Multiple choice)

                                                A. Channel estimation is simpler and power control is more accurate
                                                B. Support asymmetric spectrum
                                                C. For asymmetric business resource, utilization is high
                                                D. Doppler's effect is small, good mobility support


                                                Question 3

                                                From the perspective of the entire network, LTE network architecture includes EPC and what?

                                                A. WRAN
                                                B. Single RAN
                                                C. E-ITRAN
                                                D. UTRAN


                                                Question 4

                                                Which of the following is a functional X2AP agreement?

                                                A. E-RAB management
                                                B. Load Management
                                                C. Paging
                                                D. eNodeB configuration updates
                                                E. Mobility Management


                                                Question 5

                                                Which of the following are the functions of S1AP agreement? (Multiple Choice)

                                                A. E-RAB management
                                                B. paging
                                                C. Load management
                                                D. NAS signaling transmission
                                                E. mobility management


                                                Solutions:

                                                Question 1
                                                Answer: C
                                                Question 2
                                                Answer: A,B,C
                                                Question 3
                                                Answer: C
                                                Question 4
                                                Answer: B,C,D,E
                                                Question 5
                                                Answer: A,B,D,E

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