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H3C GB0-392 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: High Availability and Reliability Technologies10% - 15%- Fast convergence and recovery mechanisms
  • 1. BFD detection
    • 2. GR/NSR/NSF
      - Network redundancy design
      • 1. Device-level redundancy
        • 2. Link-level redundancy
          Topic 2: Network Security Architecture and Optimization20% - 25%- Security threat analysis and defense
          • 1. Security policy design
            • 2. Common attack types and mitigation
              - Security deployment and optimization
              • 1. Access control and identity management
                • 2. Firewall and IPS integration
                  Topic 3: IPv6 Transition and Optimization10% - 15%- IPv6 network security and performance
                  - Transition technologies
                  • 1. Dual-stack
                    • 2. Tunnel technologies
                      Topic 4: Secure Optimized WAN Overview10% - 15%- Enterprise network architecture models
                      • 1. IToIP architecture
                        • 2. SOA-based network design
                          • 3. Hierarchical network structure
                            - H3C enterprise network framework
                            Topic 5: Quality of Service Optimization15% - 20%- Queue scheduling and congestion management
                            - Traffic classification, marking and policing
                            - QoS models and mechanisms
                            • 1. Differentiated Services
                              • 2. Integrated Services
                                Topic 6: Network Service Optimization15% - 20%- Performance monitoring and analysis
                                • 1. Key performance indicators
                                  • 2. Fault diagnosis and location
                                    - Service optimization strategies
                                    • 1. Delay and jitter optimization
                                      • 2. Bandwidth utilization improvement

                                        H3CSE-RS-NSO Sample Questions:

                                        1. 用户使用电话时,室起电话手柄输入被叫号码后,被叫电话机的振铃属于下列哪种信令。

                                        A) 地址信令
                                        B) 呼叫信令
                                        C) 信息信令
                                        D) 监管信令


                                        2. 常见 EoC 技术使用的基带数据信号频率范围一般为

                                        A) 87MHz~108MHz
                                        B) 110MHz~lOOOMHz
                                        C) 5~65Mhz
                                        D) O~30MHz


                                        3. 在 EPON 系统中, ONU 设备连接用户的端口是

                                        A) OLT
                                        B) NNI
                                        C) UNI
                                        D) ONU


                                        4. IP 头中的 ToS 字段提供了个 DSC 代码点。

                                        A) 8
                                        B) 32
                                        C) 16
                                        D) 64


                                        5. 在 EPCN 网络的常用 VLAN 划分方法中,哪种方式采用了双层 VLAN 的规划 ?

                                        A) PSPV
                                        B) PSV
                                        C) PUPSPV
                                        D) PUPV


                                        Solutions:

                                        Question # 1
                                        Answer: D
                                        Question # 2
                                        Answer: D
                                        Question # 3
                                        Answer: C
                                        Question # 4
                                        Answer: D
                                        Question # 5
                                        Answer: C

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