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Updated: Aug 01, 2026
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H3C GB0-392 Exam Overview:
| Certification Vendor: | H3C |
| Exam Name: | Network Security and Optimization |
| Exam Number: | GB0-392 |
| Exam Format: | Single Choice, Multiple Choice, True/False |
| Available Languages: | Chinese, English |
| Exam Price: | $135 USD |
| Real Exam Qty: | 50 |
| Related Certifications: | H3CSE-Routing & Switching H3CNE-RS+ H3CIE-RS+ |
| Passing Score: | 600/1000 |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Recommended Training: | H3C Network Security and Optimization Training |
| Exam Registration: | ATAC Prometric |
| Sample Questions: | H3C GB0-392 Sample Questions |
| 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:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Service Optimization | 15% - 20% | - Performance monitoring and analysis
|
| Topic 2: Secure Optimized WAN Overview | 10% - 15% | - H3C enterprise network framework - Enterprise network architecture models
|
| Topic 3: High Availability and Reliability Technologies | 10% - 15% | - Network redundancy design
|
| Topic 4: Network Security Architecture and Optimization | 20% - 25% | - Security threat analysis and defense
|
| Topic 5: IPv6 Transition and Optimization | 10% - 15% | - IPv6 network security and performance - Transition technologies
|
| Topic 6: Quality of Service Optimization | 15% - 20% | - Traffic classification, marking and policing - QoS models and mechanisms
|
H3CSE-RS-NSO Sample Questions:
1. DSL 连接的 VPI/VCI 参数在协商确定。
A) 线路激活
B) DMT 调制
C) PPPoE 协商
D) 建立低层链路 VCC
2. 两台路由器间配置 IPSec polic ,将策略下发到相应接口上后,使用 ping 命令检查被保护数据流互通性,发现数据 100% 通过。
使用 displa ike sa 和 displa ipsec sa 俞令,显示为 IPSec SA 未建立。则 IPSec 配置失败原因在于。（选择一项或多项)
A) IKE 的 remote-add ress 地址不是对端路由器的接口地址
B) IPSec proposal 中使用了传输模式,而被保护数据流是网段到网段的数据
C) IKE 的 pre-shared-ke 配置不匹配
D) ACL 配置不正确
3. 如果设备采用带突发的单速率双令牌桶算法对流量进行测量,假设某时刻一个大约为 400 字节的报文到达,此时 CBS 令牌桶中的令牌数量为 300 字节, PBS 令牌桶中数量为 500 字节,则该报文经过评估后将被标记为
A) 超出承诺速率
B) 超出峰值速率
C) 承诺速率内
D) 峰值速率内
4. 一个安全的网络要满足 -- 条件
A) 整个网络有着完善的管理制度
B) 接入 Inteme 时有着足够的安全防范体系
C) 在 Internet 上传输数据时有着足够的加密和防伪手段
D) 确保接入网络内部的用户合法和安全
5. 在 MSR 路由器显示信息如下:
Acl number 2000
Rule 0 permit source 192.168.0.0 0.0.0.255Acl number 2002
Rule 0 permit source 192.168.2.0 0.0.0.255#Traffic classifier 2 operator and if-match acl 2002Traffic classifier 1 operator and if-match acl 2000#
Traffic behavior 2
Queue af bandwidth pct 30 traffic behavior 1Queue ef bandwidth pct 30 cbs-ratio 25 #Qos polic test classifier 1 behavior 1
Classifier 2 behavior 2 #
lnterface GigabitEthernet0/1 port link-mode routeDuplex full speed 10
Qos max-bandwidth 1000000// 这条命令配上,接口带宽为 1G! V7 命令格式 bandwidth Xlp address 192.168.1.1 255.255.255.0
Qos appl polic test outbound
当源地址为 192.168.0.2 、 192.168.2.2 、 192.168.3.2 的报文流量速率分别为 4Mbps 、 4Mbps 、 6Mbps ,无其它背景流量,从端口 GO/1_ 向外转发时。
则以下说法正确是
A) 源地址为 192.168.0.2 的报文转发速率约为 2.4Mbps
B) 源地址为 192.168.0.2 的报文转发速率约为 3Mbps
C) 源地址为 192.168.2.2 的报文转发速率约为 3Mbps
D) 源地址为 192.168.2.2 的报文转发速率约为 2.4Mbps
E) 源地址为 192.168.0.2 的报文转发速率约为 4Mbps
F) 源地址为 192.168.2.2 的报文转发速率约为 4Mbps
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: A,B,C,D | Question # 5 Answer: E,F |
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