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H3C GB0-372 Exam Overview:
| Certification Vendor: | H3C |
| Exam Name: | Building H3C Layer 3 Switching Networks / H3C Advanced Routing and Switching Technology 1 |
| Exam Number: | GB0-372 |
| Certificate Validity Period: | 3 years |
| Exam Price: | USD 150 |
| Real Exam Qty: | 50 |
| Related Certifications: | H3CSE-RS H3CSE-RS+ |
| Exam Format: | Single Choice, Multiple Choice, True/False, Fill in the Blank |
| Passing Score: | 60% / 600 out of 1000 |
| Exam Duration: | 90 minutes |
| Available Languages: | Chinese, English |
| Recommended Training: | H3C Advanced Routing & Switching Technology 1 Training Course |
| Exam Registration: | Pearson VUE Registration H3C Official Certification Portal |
| Sample Questions: | H3C GB0-372 Sample Questions |
| Exam Way: | Onsite at Pearson VUE or Prometric authorized test centers |
| Pre Condition: | H3CNE-RS (GB0-371) certification or equivalent knowledge and experience recommended |
| Official Syllabus URL: | https://www.h3c.com/en/Certifications/ |
H3C GB0-372 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Campus Network Architecture and Design | 10-15% | - Campus network hierarchical model - Design principles and requirements - High availability design |
| Layer 2 Switching Technologies | 15-20% | - Port isolation and storm suppression - STP/RSTP/MSTP protocols and configuration - VLAN and VLAN mapping - Link aggregation and LACP |
| Multicast Technology | 10-15% | - PIM-SM/PIM-DM - IGMP protocol - Multicast deployment and optimization - Multicast basic concepts |
| Switch Security Technologies | 10-15% | - IP Source Guard - Port security and 802.1X - Dynamic ARP Inspection - DHCP Snooping |
| Layer 3 Switching and Routing Protocols | 20-25% | - OSPF principles, configuration and troubleshooting - VLAN interface and IP addressing - Policy-based routing - Static routing and RIP |
| 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:
1. 如图,最初 SWA 通过 EO/1 和 SWB 相连, SWB 通过端口 EO/2 和 SWC 相连, SWA 和 SWC 没有直接相连启用 STP 并等待其收敛后,将 SWA 和 SWC 连接,由此导致交换机端口 STP 状态的变化,关于此变化的正确描述有
A) SWC 的端口 E0/2 会从 Listening 状态直接进入 Forwarding 状态
B) SWB 的端口 E0/2 和 SWC 的端口 E0/2 都将在 Listening 状态和 Learning 状态各停留一个 Forward Delay 时长
C) SWB 的端口 E0/2 会从 Forwarding 状态直接进入 Blocking 状态
D) SWA 的端口 E0/2 和 SWC 的端口 E0/1 都将在 Listening 状态和 Learning 状态各停留一个 Forward Delay 时长
2. 路由器 IGMP Snooping 功能可以在视图中配置使能。（选择 - 项或多项)
A) IGMP 视图
B) 系统全局视图
C) VLAN 视图
D) 用户视图
3. 运行 PIM-DM 的路由器会周期性发送 Hello 消息,用于发现邻居、建立并维护邻居关系,以下关于 Hello 消息描述正确的有
A) 路由器以组播方式发送 PIM Hello ,目的地址为 224.0.0.13
B) 如果 Hello 消息优先级相同,接口 IP 地址较大的路由器将成为 DR
C) 选举 DR 时,拥有较高 Hello 消息优先级的路由器将成为 DR
D) 当路由器运行 IGMPV2 时,通过 PIMHello 消息为共享网段选举 DR ,并由 DR 作为 IGMP 的 Querier
E) 所有 PIM 路由器都是 224.0.0.13 的组播组成员
4. 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 VLAN2-VLAN20 ,并且设置 VLAN20 为 isolate-user-vlan , VLAN4 为 VLAN20 的 Secondary VLA 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 VLAN 1
B) SWB 访问 PCA 时,报文从 SWB 的 GigabitEth1/0/4 不带 VLAN Tag
C) SWB 的报文从 SWA 的 GigabitEthem1/0/3 端口进入,从 GigabitEthem1/0/1 端口出 i 后所带的 VLAN Tag 为 VLAN10
D) PCA 的报文从 SWA 的 GigabitEthem1/0/3 端口出来,进入 SWB 的 GigabitEthem1/0/4 端口后所带的 VLAN Tag 为 VLAN 10
5. NTP 采用分层的方法来定义时钟的准确性下列关于时钟分层描述正确的有。（选择一项或多项)
A) 通常原子时钟的时钟层数为 0
B) 时钟层数越大,精度越高
C) 时钟层数越小,精度越高
D) 时钟层数为 16 时表示时钟没有同步
Solutions:
| Question # 1 Answer: C,D | Question # 2 Answer: B,C | Question # 3 Answer: A,B,C,E | Question # 4 Answer: B | Question # 5 Answer: C,D |
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