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H3C GB0-372 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Campus Network Architecture and Design | 10-15% | - Design principles and requirements - High availability design - Campus network hierarchical model |
| Topic 2: High Reliability and Performance Technologies | 10-15% | - Traffic management and QoS - Stack and IRF virtualization - VRRP protocol and configuration - BFD and link detection |
| Topic 3: Layer 3 Switching and Routing Protocols | 20-25% | - VLAN interface and IP addressing - Policy-based routing - Static routing and RIP - OSPF principles, configuration and troubleshooting |
| Topic 4: Layer 2 Switching Technologies | 15-20% | - Port isolation and storm suppression - VLAN and VLAN mapping - Link aggregation and LACP - STP/RSTP/MSTP protocols and configuration |
| Topic 5: Multicast Technology | 10-15% | - Multicast basic concepts - PIM-SM/PIM-DM - IGMP protocol - Multicast deployment and optimization |
| Topic 6: Switch Security Technologies | 10-15% | - DHCP Snooping - IP Source Guard - Dynamic ARP Inspection - Port security and 802.1X |
H3CSE-RS-SW Sample Questions:
图示是 RRPP 的组网应用客户局域网交换机 SWA 、 SWB 、 SWC 、 SWD 上构成 RRPP 环主环 1 ,交换机 SWB 、 SWC 和 SWE 构成子环 2 。
如果交换 SWE 为子环 2 的主节点从上述信息可以得知
- A. 如果交换机 SWB 连接交换机 SWC 的链路为 Down 状态,交换机 SWE 将放开副端口
- B. 如果交换机 SWA 连接交换机 SWB 的链路为 Down 状态,交换机 SWE 将放开副端口
- C. 如果交换机 SWA 连接交换机 SWB 的链路为 Down 状态,交换机 SWA 连接交换机 SWD 的链路为 Down 状态,交换机 SWE 将放开副端口
- D. 如果交换机 SWA 连接交换机 SWB 的链路为 Down 状态,交换机 SWB 连接交换机 SWC 的链路为 Down 状态,交换机 SWE 将放开副端口
Correct Answer: D 🗳️
在 SNMPv1 的消息中,由 Agent 发往 NMS 的消息有
- A. GetRequest
- B. Trap
- C. GetNextRequest
- D. GetResponse
- E. SetRequest
Correct Answer: B,D 🗳️
在如图所示的交换网络中,交换机 SWA 上设置 VLAN10 为 Isolate-user-vlan VLAN2 和 VLAN3 为 VLAN 10 的 Secondary VLAN ；交换机 SWB 上创建 VLAN4 和 VLAN20 ,并且设置 VLAN20 为 Isolate-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,在 SWA 和 SWB 上都开启了本地代理 ARP 功能。最初时,交换机和 pc 没有学习到各自对应的 ARP 表项在 PCA ping PCB 的过程中, PCA 会发送 ARP 请求, PCB 收到 ARP 请求报文后发送的目的 mac 响应中,目的 MAC 地址为
- A. 00E0.FC00.0010
- B. 0011.1111.1111
- C. FFFF.FFFF.FFFF
- D. 00E0.FC00.0020
Correct Answer: D 🗳️
如图组网,交换机启用 RSTP ,；假设各链路开销值均相同,则下列说法正确的有
- A. 假设将 SWB 和 SWC 的生成树运行模式修改为 STP 则 SWD 的 Alternate 端口变为新的根端口后仍然可以直接进入转发状态
- B. 如果 SWD 的端口 EO/1 DOWN 掉,则 SWD 的端口 EO/2 会立即从 Alternate 端口转变为新的根端口
- C. 如果 SWD 上有多个 Alternate 端口,则当根端口 DOWN 掉后, SWD 会从这些 Alternate 端口中选择优先级最高的端口作为新的根端口
- D. 拓扑收敛后 SWD 将会有一个端口为 Alternate 端口
Correct Answer: C,D 🗳️
客户局域网交换机 SWA 、 SWB 、 SWC 上构成 RRPP 环主环 1 ,交换机 SWA 上有如下配置信息:
[SWA] rrpp domain 1
[SWA-rrpp-domain1] control-vlan 4092
如果交换机 SWB 、 SWC 和 SWD 构成子环 2 ,交换机 SWB 、 SWC 和 SWE 构成子环 3 从上述信息可以得知
- A. 子环 2 控制 VLAN 必须与子环 3 控制 VLAN 不 - 致
- B. 交换机 SWB 、 SWC 和 SWE 不可以使用 VLAN4092 作为子环 3 控制 VLAN
- C. 为了便于主环管理,可以在子环 3 控制 VLAN 上配置 IP 管理地址
- D. 交换机 SWB 、 SWC 和 SWD 可以使用 VLAN4092 作为子环 2 控制 VLAN
Correct Answer: B 🗳️
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