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H3C GB0-371 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Campus Network Security | 15% | - 802.1X authentication - Port security and MAC address control - Storm control and traffic filtering - DHCP snooping and ARP protection |
| Topic 2: Network Management and Maintenance | 5% | - Common fault diagnosis methods - Traffic monitoring and troubleshooting - SNMP and RMON |
| Topic 3: High Availability Technologies | 20% | - Device-level redundancy mechanisms - BFD and fast failure detection - Link aggregation (LACP/static) - VRRP protocol and deployment |
| Topic 4: VLAN and VLAN Extension Technologies | 20% | - QinQ technology and application - VLAN mapping and VLAN translation - Protocol-based VLAN and IP-subnet VLAN - VLAN principles and configuration |
| Topic 5: Multicast in Campus Networks | 10% | - PIM-SM and PIM-DM basics - Multicast deployment and optimization - IGMPv1/v2/v3 operation |
| Topic 6: Spanning Tree Protocols | 15% | - MSTP optimization and protection - RSTP concepts and configuration - MSTP principles, regions and instances |
| Topic 7: Campus Network Architecture and Design | 15% | - Core, aggregation and access layer characteristics - High-performance campus network requirements - Hierarchical network design model |
H3C Constructing H3C High-Performance Campus Networks Sample Questions:
1. 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 E0/1 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) SWA 端口 E0/1 链路中断后不会向 SWC 发送 TCN BPDU
C) 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
D) SWB 的端口 E0/1 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
2. 如图所示组网中, RT1 、 RT2 和 RT3 之间运行 PIM SM 协议, RP 为 1.1.1.1 ,且有下游接收者 RT3 上连有组播源,査看 RT3 单播路由表如下:
[RT3]display ip routing-table
Routing Tables: Public
Destinations : 10 Routes : 10
Destination/MaskProtoPreCost NextHop Interface
1.1.1.1/320SPF 10 1562 192.168.0.1 S0/2/0
127.0.0.0/8 Direct 00127.0.0.1 InLoopO
127.0.0.1/32Direct 00127.0.0.1 InLoopO
192.168.0.0/30Direct 00192.168.0.2 S0/2/0
192.168.0.1/32Direct 00192.168.0.1 S0/2/0
192.168.0.2/32Direct 00127.0.0.1 InLoopO
192.168.1.0/300SPF 10 3124 192.168.2.1 so/2/1
192.168.2.0/30Direct 00192.168.2.2 so/2/1
192.168.2.1/32Direct 00192.168.2.1 so/2/1
192.168.2.2/32Direct 00127.0.0.1 InLoopO
那么,当 RP 发送注册停止消息后,下列哪些路由器上存在( S , G )表项 ?
A) RT2
B) RT3
C) RT1
3. 在大型局域网中,常用的链路备份技术有
A) STP
B) 链路聚合
C) RRPP
D) Smart Link
4. 在如图所示的交换网络中,交换机 SWA 上设置 VLAN 10 为 Super VLAN , VLAN2 和 VLAN3 为 VLAN 10 的 Sub VLAN ,端口 Ethernet1/0/3 为 Trunk 端口, PVID 为 VLAN1 ,允许所有 VLAN 通过;交换机 SWB 上创建 VLAN2~VLAN20 ,端口 Ethernet1/0/4 为 Trunk 端口, PVID 为 VLAN1 ,允许所有 VLAN 通过,按照如图所示设置好各设备的 IP 地址后,可以判断(选择一项或多项)
A) SWA 可以和 PCC 互通
B) SWA 可以和 PCB 互通
C) SWA 可以和 SWB 互通
D) SWA 可以和 PCA 互通
5. 拓扑如图,进行 STP 计算,正确的结果是
A) SWA 为网络中的根桥
B) SWD 的端口 E0/2 为根端口
C) SWC 会从 E0/3 端口向 SWD 转发配置 BPDU
D) SWB 的端口 E0/2 为指定端口
Solutions:
| Question # 1 Answer: B,D | Question # 2 Answer: B,C | Question # 3 Answer: A,B,C,D | Question # 4 Answer: A,B,D | Question # 5 Answer: A,C,D |



