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H3C GB0-371 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Campus Network Architecture and Design | 15% | - High-performance campus network requirements - Core, aggregation and access layer characteristics - Hierarchical network design model |
| Topic 2: Multicast in Campus Networks | 10% | - PIM-SM and PIM-DM basics - IGMPv1/v2/v3 operation - Multicast deployment and optimization |
| Topic 3: Spanning Tree Protocols | 15% | - MSTP principles, regions and instances - MSTP optimization and protection - RSTP concepts and configuration |
| Topic 4: High Availability Technologies | 20% | - VRRP protocol and deployment - Link aggregation (LACP/static) - BFD and fast failure detection - Device-level redundancy mechanisms |
| Topic 5: Campus Network Security | 15% | - 802.1X authentication - DHCP snooping and ARP protection - Port security and MAC address control - Storm control and traffic filtering |
| Topic 6: Network Management and Maintenance | 5% | - SNMP and RMON - Traffic monitoring and troubleshooting - Common fault diagnosis methods |
| Topic 7: VLAN and VLAN Extension Technologies | 20% | - VLAN principles and configuration - Protocol-based VLAN and IP-subnet VLAN - QinQ technology and application - VLAN mapping and VLAN translation |
H3C Constructing H3C High-Performance Campus Networks Sample Questions:
1. 如图组网,开始 SWA 和 SWB 之间没有连接, SWA 和 SWB 启用 RSTP ,当拓扑稳定后,连接 SWA 和 SWB 的端口 E1/0/1 ,假设 SWA 将成为新的根桥,则下列说法正确的有
A) SWA 和 SWB 的端口 E1/0/1 会发送 Proposal 消息,请求进入转发状态
B) SWB 在收到 SWA 发送的 Proposal 消息,会启用同步过程将旧的根端口、指定端口以及边缘端口阻塞
C) SWB 不需要自行生成 BPDU ,其回应的 Agreement 消息内容拷贝自 SWA 发送的 Proposal 消息
D) SWB 在收到 SWA 发送的 Proposal 消息,会立即回复 Agreement 消息
2. 关于环路保护,以下说法正确的有
A) 根端口的角色如果发生变化就会变为 Discarding 状态,不转发报文,从而不会在网络中形成环路 Discarding 状态会一直维持,直到端口再次收到 BPDU ,重新成为根端口
B) 链路阻塞或链路单通可能会导致环路产生
C) 在 MSTP 中,此功能对根端口、 Alternate 端口和 Backup 端口有效
D) 在启动了环路保护功能后,当端口保存的 BPDU 老化时,环路保护生效
3. 在如图所示的交换网络中,交换机 SWA 上设置 VLAN10 为 Isolate-userW 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 VLAN 按照如图所示设置好各设备的 IP 地址后,在 SWA 上査看 MAC 地址表,可以判断 PCC 属于
A) VLAN20
B) VLAN3
C) VLAN2
D) VLAN4
E) VLAN 1
F) VLAN 10
4. 如图所示 PIM-DM 组网中,路由器 RT1 、 RT2 的部分单播路由表如下 :
<RT1>display ip routing-table
Routing Tables: Public
Destination/MaskProtoPreCost NextHop Interface
1.1.1.0/24xxxxP1-1 C1-110.1.1.1Port1
1.1.0.0/16xxxxP1-2 C1-210.1.1.1Port1
<RT2>display ip routing-table
Routing Tables: Public
Destination/MaskProtoPreCost NextHop Interface
1.1.1.0/24XXXX P2-1 C2-111.1.1.1Port2
1.1.1.1/32XXXX P2-2 C2-211.1.1.1Port2
那么,当路由器 RT1 、 RT2 进行 Assert 时,获胜的一方应该是
A) 如果 P1-1= P2-1 , C1-1<C2-1 ,则 RT1 获胜
B) 如果 P1-1> P2-1 , C1-1<C2-1 ,则 RT1 获胜
C) 如果 P1-1= P2-2 , C1-1=C2-2 ,则 RT2 获胜
D) 如果 P1-1> P2-2 , C1-1<C2-2 ,则 RT2 获胜
E) 如果 P1-1= P2-1 , C1-1=C2-1 ,则 RT1 获胜
F) 如果 P1-1= P2-2 , C1-1<C2-2 ,则 RT2 获胜
5. 在如图所示的交换网络中,三台交换机都只有缺省 VLAN1 ,三台交换机的互联端口都为 Trunk ,且允许所有 VLAN 通过,三台交换机都开启了全局和端口的 GVRP 功能在交换机 SWA 上创建了 VLAN10 ,在 SWC 上创建了 VLAN20 ,并且在交换机 SWA 上设置 Ethemet1/0/1 端口的 GVRP 注册模式为 Fixed ,在三台交换机査看各 Tmnk 端口状态信息,下面显示正确的是(选择一项或多项)
A) [SWB]display interface Ethernet 1/0/2 Ethernet1/0/2 current state: UP ...... PVID: 1 Mdi type: auto Link delay is 0(sec) Port link-type: trunk VLAN passing: 1 (default vlan), 10 VLAN permitted: 1 (default vlan), 2-4094 Trunk port encapsulation: IEEE 802.1q
B) [SWC]display interface Ethernet 1/0/1 Ethernet1/0/1 current state: UP ...... PVID: 1 Mdi type: auto Link delay is 0(sec) Port link-type: trunk VLAN passing: 1 (default vlan), 10 VLAN permitted: 1 (default vlan), 2-4094 Trunk port encapsulation: IEEE 802.1q
C) [SWA]display interface Ethernet 1/0/1 Ethernetl/0/1 current state: UP ...... PVID: 1 Mdi type: auto Link delay is 0(sec) Port link-type: trunk VLAN passing: 1 (default vlan), 10 VLAN permitted: 1 (default vlan), 2-4094 Trunk port encapsulation: IEEE 802.1q
D) [SWB]display interface Ethernet 1/0/1 Ethernet1/0/1 current state: UP ...... PVID: 1 Mdi type: auto Link delay is 0(sec) Port link-type: trunk VLAN passing: 1 (default vlan), 10 VLAN permitted: 1 (default vlan), 2-4094 Trunk port encapsulation: IEEE 802.1q
Solutions:
| Question # 1 Answer: A,C | Question # 2 Answer: A,B,C,D | Question # 3 Answer: F | Question # 4 Answer: C,D | Question # 5 Answer: C,D |








