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H3C GB0-372 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Switch Security Technologies | 10-15% | - Port security and 802.1X - IP Source Guard - Dynamic ARP Inspection - DHCP Snooping |
| Topic 2: Layer 2 Switching Technologies | 15-20% | - Link aggregation and LACP - VLAN and VLAN mapping - Port isolation and storm suppression - STP/RSTP/MSTP protocols and configuration |
| Topic 3: Campus Network Architecture and Design | 10-15% | - High availability design - Design principles and requirements - Campus network hierarchical model |
| Topic 4: Multicast Technology | 10-15% | - IGMP protocol - Multicast basic concepts - PIM-SM/PIM-DM - Multicast deployment and optimization |
| Topic 5: Layer 3 Switching and Routing Protocols | 20-25% | - OSPF principles, configuration and troubleshooting - Static routing and RIP - Policy-based routing - VLAN interface and IP addressing |
| Topic 6: High Reliability and Performance Technologies | 10-15% | - Traffic management and QoS - BFD and link detection - VRRP protocol and configuration - Stack and IRF virtualization |
H3CSE-RS-SW Sample Questions:
如图所示的网络中,在交换机 SWA 上完成相应配置,且交换机 SWA 和各 PC 都学习到了相应的 ARPPCA 访问 PCB 时发送了 ICMP 请求报文,报文的目的 MAC 地址为 _
- A. MAC-20
- B. FFFF.FFFF.FFFF
- C. MAC-B
- D. MAC-10
Correct Answer: D 🗳️
如图组网, SWB 和 SWC 启用 STP SWC 为根, SWA 没有启用 STP 初始时链路 2 没有连接, PCB 可以将数据发到 PCA ,如果此时链路 1 故障,维护人员将链路 2 连接,则关于 PCB 到 PCA 数据传送业务的恢复过程说法正确的有（假设 PCA 不会主动发送数据)
- A. SWB 的端口 EO/1 需要等待默认 30 秒进入转发状态,所以 PCB 到 PCA 的业务恢复总共需要默认 30 秒的时间
- B. 由于 SWA 没有启用 STP ,所以业务恢复需要等待 SWC 的 MAC 地址老化,默认需要 300 秒的时间
- C. SWB 的端口 EO/1 进入 Forwarding 状态引发拓扑改变过程,使得 MAC 地址老化时间缩短,所以 PCB 到 PCA 的业务恢复总共需要默认 45 秒的时间
- D. SWA 端口 EO/1 链路中断后不会向 SWC 发送 TCN BPDU
Correct Answer: C,D 🗳️
下列关于 SOA 和 ITolP 的说法正确的是
- A. ITolP 解决方案体现了 SOA 的核心思想
- B. SOA 以网络为基础,消除异构系统带来的信息鸿沟,整合存储、安全、多媒体等各种服务,实现 IT 基础设施的构件化和资源化
- C. ITolP 允许灵活、快速、高效地构建企业智能应用,能快速适应企业业务流程的变化
- D. SOA 解决方案要求对 IT 基础架构进行整合,基于网络技术搭建统一的 IT 基础架构平台
Correct Answer: A,C 🗳️
SSH 采用完善的用户认证机制来确保登录用户的合法性,关于这 SSH 验证方式的描述错误的是。（选择一项或多项)
- A. 不认证是可选的认证方式
- B. 密码验证过程中,服务器会检查用户的私钥和密码的合法性,如果合法,则接受请求
- C. 如果采取不认证方式,那么 Server 在任何情况下都返回验证通过
- D. 密码验证是必须支持的认证方式
Correct Answer: B,C 🗳️
关于 MSTP 的 BPDU 格式,说法正确的有
- A. MSTI 配置消息用于 MSTI 的生成树计算
- B. IST 的计算仅需要 MST 专有字段中的值即可
- C. MST 配置 ID 字段用于判断交换机是否属于同一个 MST 域
- D. MSTI 配置消息的数量由 VLAN 数决定
Correct Answer: A,C 🗳️
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