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Last Updated: Sep 24, 2026

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H3C GB0-392 Practice Q&A's

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Certification content shifts with the industry, and TopExamCollection shifts with it. Our experts compile and refresh the GB0-392 bank according to current trends, so the H3CSE-RS-NSO questions you practice reflect what the exam actually asks in 2026.

H3C GB0-392 Exam Overview:

Certification Vendor:H3C
Exam Name:Network Security and Optimization
Exam Number:GB0-392
Available Languages:English, Chinese
Passing Score:600/1000
Exam Price:$135 USD
Real Exam Qty:50
Certificate Validity Period:3 years
Related Certifications:H3CNE-RS+
H3CIE-RS+
H3CSE-Routing & Switching
Exam Format:Single Choice, Multiple Choice, True/False
Exam Duration:90 minutes
Recommended Training:H3C Network Security and Optimization Training
Exam Registration:ATAC
Prometric
Sample Questions: DOWNLOAD DEMO
Exam Way:Computer-based, delivered at authorized H3C testing centers or via online proctoring
Pre Condition:Valid H3CNE-RS+ certificate or equivalent knowledge; recommended to hold H3CSE-Routing & Switching certification
Official Syllabus URL:https://www.h3c.com/en/Training_Certification/Technical_training___certification/Certification_Project/Senior/H3CSE-RS-NSO/

H3C GB0-392 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: 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 2: Network Security Architecture and Optimization20% - 25%- Security deployment and optimization
      • 1. Access control and identity management
        • 2. Firewall and IPS integration
          - Security threat analysis and defense
          • 1. Security policy design
            • 2. Common attack types and mitigation
              Topic 3: High Availability and Reliability Technologies10% - 15%- Network redundancy design
              • 1. Device-level redundancy
                • 2. Link-level redundancy
                  - Fast convergence and recovery mechanisms
                  • 1. BFD detection
                    • 2. GR/NSR/NSF
                      Topic 4: 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
                              Topic 5: Secure Optimized WAN Overview10% - 15%- Enterprise network architecture models
                              • 1. Hierarchical network structure
                                • 2. SOA-based network design
                                  • 3. IToIP architecture
                                    - H3C enterprise network framework
                                    Topic 6: IPv6 Transition and Optimization10% - 15%- IPv6 network security and performance
                                    - Transition technologies
                                    • 1. Dual-stack
                                      • 2. Tunnel technologies

                                        GB0-392 Questions Answered: Format, Cost, and Prep

                                        Immediately after checkout, your download link appears on screen and an automatic email with the materials lands in your inbox in about a minute. You can install the software on as many devices as you need, and if the email has not arrived within two hours, our support team will step in. Every purchase includes 365 days of free updates — each revision is compiled in step with current exam trends and emailed to you automatically — followed by a 50% renewal discount when the period ends.

                                        A professional team, for one thing. Our experts compile the GB0-392 bank in step with current exam trends, every answer is expert-verified, and there are no amateurs in the group — career-elite advisors also stand by with progress advice when you need direction. Just as important is the relationship: we stay in close contact with users, fold their feedback into every revision, and back each H3CSE-RS-NSO purchase with a free demo, 365 days of free updates, and a clearly stated refund policy.

                                        H3C points candidates toward these official training options:

                                        Combine a course that fits your schedule with regular question practice for the steadiest progress.

                                        H3C sets the following prerequisites for the H3CSE-RS-NSO: Valid H3CNE-RS+ certificate or equivalent knowledge; recommended to hold H3CSE-Routing & Switching certification.

                                        Confirm the current requirements on the official certification page before booking.

                                        The H3CSE-RS-NSO blueprint is organized into these main domains:

                                        • Network Security Architecture and Optimization (20% - 25%)
                                        • IPv6 Transition and Optimization (10% - 15%)
                                        • High Availability and Reliability Technologies (10% - 15%)

                                        Further domains complete the official outline, and our question bank spans all of them.

                                        Registration runs through the official channels listed here:

                                        Choose a test center or online appointment that fits your calendar, and book ahead to lock in your preferred date.

                                        We take responsibility for our materials. If you fail the corresponding exam within 60 days of purchase, send us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date, and we will process a full refund within seven days of verification. Please note the exclusions: exams taken within three days of purchase are not eligible, the candidate name must match the payer, and free or expired products are not covered. If you would rather switch direction, we can exchange your product for two others of equal value instead.

                                        According to the latest exam information, the GB0-392 exam contains 50 questions and runs for 90 minutes minutes. Timing yourself during practice sessions is a smart habit — pacing problems sink more candidates than knowledge gaps.

                                        At present, the passing score for the GB0-392 exam is 600/1000 and the registration fee is $135 USD. Both figures are set by H3C and can change, so double-check them on the official site when you register.

                                        H3CSE-RS-NSO Sample Questions:

                                        Question #1

                                        下游 LSR 设备通过 Label mapping 消息将其为 FEC 分配的发布给上游 LSR 。

                                        • A. 出接口信息
                                        • B. 入标签( IN Label )信息
                                        • C. 出标签( OUT Label )信息
                                        • D. 以上所有信息
                                        Reveal Solution  Discussion  0

                                        Correct Answer: B  🗳️

                                        Question #2

                                        基于 SOA 的网络架构将企业 IT 系统划分成以下哪些层次 ? (选择一项或多项)

                                        • A. 网络层
                                        • B. 应用层
                                        • C. 服务层
                                        • D. 业务层
                                        Reveal Solution  Discussion  0

                                        Correct Answer: B,C  🗳️

                                        Question #3

                                        以下哪些 VPN 技术适用于企业员工 , 通过 Internet 远程接入企业私网的情况 ? ( 选择一项或多项 )

                                        • A. BGP/MPLS VPN
                                        • B. GRE VPN
                                        • C. SSL VPN
                                        • D. L2TP VPN
                                        Reveal Solution  Discussion  0

                                        Correct Answer: C,D  🗳️

                                        Question #4

                                        DiffServ 模型由下列哪些组件构成 ?

                                        • A. 边界链路和内部链路
                                        • B. 非 DS 域
                                        • C. DS 区( Differentiated Service Region )
                                        • D. DS 边界节点( DS Boundar Nodes )
                                        • E. DS 域( Differentiated Service Domain )
                                        • F. DS 内部节点( DS Interior Nodes )
                                        Reveal Solution  Discussion  0

                                        Correct Answer: A,B,C,D,E,F  🗳️

                                        Question #5

                                        某企业部门间的业务传输需要采用 IPSec 提供端到端的安全保护,并要求数据必须进行加密传输。
                                        针对该企业业务传输安全性的要求, IPSec 应采用哪种封装协议 ? (选择一项或多项)

                                        • A. ESP 封装协议
                                        • B. DES 封装协议
                                        • C. AH 封装协议
                                        • D. ESP+AH 封装协议
                                        Reveal Solution  Discussion  0

                                        Correct Answer: A,D  🗳️

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