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H3C GB0-392 Exam Overview:
| Certification Vendor: | H3C |
| Exam Name: | Network Security and Optimization |
| Exam Number: | GB0-392 |
| Real Exam Qty: | 50 |
| Exam Duration: | 90 minutes |
| Exam Price: | $135 USD |
| Exam Format: | Single Choice, Multiple Choice, True/False |
| Related Certifications: | H3CSE-Routing & Switching H3CNE-RS+ H3CIE-RS+ |
| Passing Score: | 600/1000 |
| Available Languages: | Chinese, English |
| Certificate Validity Period: | 3 years |
| 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 |
|---|---|---|
| Quality of Service Optimization | 15% - 20% | - Queue scheduling and congestion management - QoS models and mechanisms
|
| Secure Optimized WAN Overview | 10% - 15% | - Enterprise network architecture models
|
| IPv6 Transition and Optimization | 10% - 15% | - IPv6 network security and performance - Transition technologies
|
| Network Security Architecture and Optimization | 20% - 25% | - Security threat analysis and defense
|
| Network Service Optimization | 15% - 20% | - Service optimization strategies
|
| High Availability and Reliability Technologies | 10% - 15% | - Network redundancy design
|
H3CSE-RS-NSO Sample Questions:
1. 用户认证是 SSL 虚拟网关对客户端身份的验证,包括:证。（)、服务器认证,证书匿名认证和证书挑战认
2. xz 公司要求依据模块化企业网架构构建其网络。 Z 公司在深圳和西安备有 1 个研发基地,在北京和上海备有一座办公大楼；在 23 个省会城市拥有超过 50 人的办事处；在 200 个中小城市拥有不超过 8 人的小型办公室 j 任意时刻通常都有超过 200 名市场和技术人员在外出差。由于环境和费用问题,部分办事处无法通过专线或分组交换广域网连接接入总部。
根据这些情况, Z 公司应具备的网络模块是。
A) VPN 接入
B) 大型分支机构网
C) 专线 / 分组交换接入
D) 远程 / 分布式办公网
3. 在某路由器上执行 displa interface tunnel 命令显示 GRE 隧道接口的信息如下:
<Router> displa interface Tunnel O
Tunnelo current state: UP
Line protocol current state: UP
D. escription: Tunnelo Interface
The Maximum Transmit Unit is 1476
Internet Address is 192.1.2.1/24 Primar
Encapsulation is TUNNEL, aggregation ID not set
Tunnel source 10.1.11.1, destination 10.1.13.1
Tunnel keepalive enable, Period （ 10 s ) , Retries （ 3 )
Tunnel protocol/transport GRE/IP
GRE ke disabled
Checksumming of GRE packets disabled
Last 300 seconds input: 0 btes/sec, 0 packets/sec
Last 300 seconds output: 0 btes/sec, 0 packets/sec
4packets input, 72 btes
0input error
1packets output, 24 btes
00utput error
以上述信息可以得知。（选择一项或多项)
A) 隧道没有启动验证,也没有启动校验
B) Tunnel 接口启动了 Keeplive 功能,一旦路由器 30s 内收不到对方发来的 Keeplive 报文,即认为隧道不可用,虽然 Tunnel 接口的仍处于 UP 状态,但以此 Tunnel 接口为出接口的静态路由会从路由表中消失；
C) 隧道源端 IP 地址为 192.1.1.1
D) Tunnel 接口处于 UP 状态, MTU 为 1476 字节
4. 在一次网络事故中发现某主机 A 收到大量 ICMPechorepl 报文,该 ICMPechorep 的源地址为该主机所在子网中的几乎所有主机地址,请问该主机可能受到了什么攻击 ?
A) Fraggle 攻击
B) Ping of Death
C) SN-FLOOD 攻击
D) Smurt 攻击
5. 一条 MP-BGP 路由消息里面将不包含下列哪些参数
A) RT 的 Import Target 属性
B) 私网标签
C) RD 前级
D) RT 的 Emport Target 属性
Solutions:
| Question # 1 Answer: Only visible for members | Question # 2 Answer: A,C | Question # 3 Answer: A,D | Question # 4 Answer: D | Question # 5 Answer: A,B,D |
By Claude
