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H3C GB0-372 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| High Reliability and Performance Technologies | 10-15% | - Stack and IRF virtualization - VRRP protocol and configuration - Traffic management and QoS - BFD and link detection |
| Campus Network Architecture and Design | 10-15% | - Design principles and requirements - High availability design - Campus network hierarchical model |
| Layer 3 Switching and Routing Protocols | 20-25% | - VLAN interface and IP addressing - OSPF principles, configuration and troubleshooting - Policy-based routing - Static routing and RIP |
| Layer 2 Switching Technologies | 15-20% | - STP/RSTP/MSTP protocols and configuration - VLAN and VLAN mapping - Link aggregation and LACP - Port isolation and storm suppression |
| Multicast Technology | 10-15% | - PIM-SM/PIM-DM - Multicast basic concepts - Multicast deployment and optimization - IGMP protocol |
| Switch Security Technologies | 10-15% | - Dynamic ARP Inspection - DHCP Snooping - Port security and 802.1X - IP Source Guard |
H3CSE-RS-SW Sample Questions:
通过查看 IGMP 组信息,可以了解到的内容有
- A. 组播组 IGMP 查询器
- B. 组播组 Report 报文个数
- C. 路由器维护的组播组信息
- D. 组播组第一个发送 Report 报文的主机地址
Correct Answer: A,B,C 🗳️
客户的局域网交换机 SWA 通过 GigabitEthernet 2/0/1 连接 SWB ,通过 GigabitEthernet 2/0/2 连接 SWC 且 SWA 交换机有如下配置:
[SWA] smart-link group 1
[SWA-smlk-group1] protected-vlan reference-instance 0 to 32
[SWA-smlk-group1] port gigabitethernet 2/0/1 slave
[SWA-smlk-group1] port gigabitethernet 2/0/2 master
[SWA-smlk-group1] flush enable control-vlan 10
如果交换机 SWA 、交换机 SWB 、交换机 SWC 互连接口允许所有 VLAN 通过,从上述信息可以得知
- A. 如果 Gigabitethernet 2/0/1 端口故障,则 SWA 交换机将在所有 VLAN 内广播 flush 报文
- B. 如果 Gigabitethernet 2/0/2 端口故障,则 SWA 交换机将在所有 VLAN 内广播 flush 报文
- C. 正常情况下, SWA 交换机流量将通过 Gigabitethernet 2/0/1 上行
- D. 正常情况下, SWA 交换机流量将通过 Gigabitethernet 2/0/2 上行
Correct Answer: D 🗳️
在如图所示的交换网络中,交换机 SWA 上设置 VLAN10 为 lsolate-user-vlan , VLAN2 和 VLAN3 为 VLAN 10 的 Secondary VLAN ﹔交换机 SWB 上创建 VLAN2 和 VLAN20 ,并且设置 VLAN20 为 lsolate-user-vlan , VLAN4 为 VLAN20 的 Secondary VLAN 按照如图所示设置好各设备的 IP 地址后,下面说法正确的是（选择 - 项或多项)
- A. PCA 的报文从 SWA 的 GigabitEthem1/0/1 端口进入,从 GigabitEthem1/0/3 端口出来后所带的 VLAN Tag 为 VLAN2
- B. PCA 的报文从 SWA 的 GigabitEthem1/0/ 端口出来,进入 SWB 的 GigabitEthem1/0/4 端口后所带的 VLAN Tag 为 VLAN20
- C. SWB 的报文从 SWA 的 GigabitEthem1/0/3 端口进入,从 GigabitEthem1/0/3 端口出来后所带的 VLAN Tag 为 VLAN20
- D. SWB 访问 PCA 时,报文从 SWB 的 GigabitEthem1/0/4 所带的 VLAN Tag 为 VLAN10
Correct Answer: B 🗳️
下列关于 PIMSSM 的表述,正确的有
- A. 为与 IGMP 早期版本兼容, PIMSSM 中接收者也使用 IGMP V2 发送加入消息
- B. 与 PIMSM 相比, PIMSSM 不需要 RP 提高了报文转发效率
- C. 组播报文沿着组播源到接收者之间的 SPT 到达接收者
- D. PIMSSM 可以简单看与 PIMSM 类似,当主机发送加入消息后,设备向组播源方向发送（ * , G )加入消息
Correct Answer: B,C 🗳️
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