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H3C GB0-372 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Multicast Technology | 10-15% | - IGMP protocol - Multicast basic concepts - PIM-SM/PIM-DM - Multicast deployment and optimization |
| Topic 2: Campus Network Architecture and Design | 10-15% | - Design principles and requirements - High availability design - Campus network hierarchical model |
| Topic 3: Switch Security Technologies | 10-15% | - Dynamic ARP Inspection - Port security and 802.1X - DHCP Snooping - IP Source Guard |
| Topic 4: Layer 2 Switching Technologies | 15-20% | - VLAN and VLAN mapping - Link aggregation and LACP - Port isolation and storm suppression - STP/RSTP/MSTP protocols and configuration |
| Topic 5: High Reliability and Performance Technologies | 10-15% | - Stack and IRF virtualization - Traffic management and QoS - BFD and link detection - VRRP protocol and configuration |
| Topic 6: Layer 3 Switching and Routing Protocols | 20-25% | - Static routing and RIP - OSPF principles, configuration and troubleshooting - VLAN interface and IP addressing - Policy-based routing |
H3CSE-RS-SW Sample Questions:
Question 1
在 PIM-DM 组网中,关于路由器发送 Prune (剪枝)消息,描述正确的有
A. Assert (断言)失败的一方会向获胜 - 方发送
B. 路由器接口收到 Prune 消息后,从此将不在此接口发送相应组播组的报文
C. 路由器无本地直连组播接收者时,会向所有 PIM 邻居发送 Prune
D. 路由器( S , G )表项中出接口列表为空时,会向所有 PIM 邻居发送 Prune 消息
Question 2
IGMPv2 协议报文包含。(选择 - 项或多项)
A. Membership Report
B. General Query
C. Leave Group
D. Group-Specific Query
Question 3
SWA 、 SWB 、 SWC 三台交换机连接成如图所示的网络,并全部启用了生成树协议。各链路开销已知。经过生成树计算, SWC 为网络中的根桥,这说明(选择 - 项或多项)
A. SWA 上存在 Alternate 端口
B. SWB 的 EO/2 端口为根端口
C. 无法判断 SWB 的 EO/1 的端口角色,因为 SWB 和 SWA 的桥 ID 未知,无法比较两者的优先级
D. SWC 上的端口均为指定端口
Question 4
关于交换机的端口模式和 IP 电话语音流类型的配合关系,说法正确的有。(选择一项或多项)
A. 自动模式下,端口不能为 Access 端口
B. 手动模式下,端口只能为 Trunk 端口
C. 如果 IP 电话语音流为 untagged 语音流,则交换机端口只能工作在手动模式
D. 如果 IP 电话语音流为 tagged 语音流,则交换机端口可以工作在自动和手动模式
Question 5
在如图所示的交换网络中,交换机 SWA 上设置 VLAN10 为 Private VLAN , VLAN2 和 VLAN3 为 VLAN10 的 Secondary VLAN ,交换机 SWB 上 VLAN2-VLAN20 ,并且设置 VLAN20 为 Private VLAN , VLAN4 为 VLAN20 的 Secondary VLAN 。按照如图所示设置好各设备的 IP 地址后, PCA 和 PCB 之间的互通,下面描述正确的是。(选择 - 项或多项)
A. 需要在 SWB 的 VLAN20 视图下开启本地代理 ARP 功能, PCA 才可以和 PCB 互通
B. 需要在 SWA 的 VLAN10 虚接口视图下开启本地代理 ARP 功能, PCA 才可以和 PCB 互通 E 需要在 SWB 的 VIAN20 虚接口视图下开启本地代理 ARP 功能, PCA 才可以和 PCB 互通
C. 需要在 SWA 的 VLAN10 视图下开启本地代理 ARP 功能, PCA 才可以和 PCB 互通
D. PCA 可以直接和 PCB 互通,不需要做额外的配置
Solutions:
| Question 1 Answer: A | Question 2 Answer: A,B,C,D | Question 3 Answer: D | Question 4 Answer: A,C,D | Question 5 Answer: C |

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