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H3C GB0-371 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Network Security and Policy Control | - Access control mechanisms
|
| Topic 2: Redundancy and High Availability | - Link and device redundancy
|
| Topic 3: IP Routing in Campus Networks | - Routing fundamentals
|
| Topic 4: Layer 2 Switching Technologies | - VLAN and segmentation
|
| Topic 5: Network Operations and Troubleshooting | - Monitoring and maintenance
|
| Topic 6: Campus Network Architecture and Design | - High-performance campus network planning principles
|
H3C Constructing H3C High-Performance Campus Networks Sample Questions:
关于 TCNBPDU 的产生,下列说法正确的有
- A. 网络中某交换机的 alternate 端口 down 掉,则该交换机不会产生 TCN BPDU
- B. 启用 STP 的非根桥交换机如果某端口连接了 PC 机,当该端口进入 Forwarding 状交换机不会产生 TCN BPDU
- C. 网络中某交换机的指定端口链路断掉,则该交换机一定会产生 TCNBPDU
- D. 当交换机某端口选择为指定端口或根端口时,交换机会立即发送 TCNBPDU
Correct Answer: A 🗳️
关于 RSTP 和 STP 的计算收敛的对比,说法正确的有
- A. 相对于 STP , RSTP 定义了根基端口快速切换机制,这样是可以使 Altemate 在跟端口障碍时,快速成为新的根端口态
- B. 如果 STP 想缩短收敛时间,只能配置较少的 FORWARD Delay 时间,但是可呢过会影响网络的稳定性
- C. 相对于 STP , RSTP 定义了指定端口快速切换机制,这样可以使得指定端口亏阿苏进入转发状态而不需要等待两倍的 Forward Delay 时间
- D. 相对于 STP , RSTP 定义了根基端口快速切换机制,这样是接主机的端口快速进入转发状态
Correct Answer: A,B,C,D 🗳️
关于 Isolate-user-vlan 技术和 Super VLAN 技术的描述,下面正确的是
- A. SuperVLAN 是一个三层 VLAN 技术,所以支持 Super VLAN 技术的交换机都是三层交换机
- B. Isolate-user-vlan 是一个二层 VLAN 技术,所以支持 isolate-user-vlan 技术的交换机都是二层交换机
- C. SuperVLAN 技术也称为 VLAN 聚合:主要目的是为解决 IP 地址浪费或 VLAN 接口数量不够
Correct Answer: A,C 🗳️
主机 PCA 、 PCB 和 PCC 分别与交换机 SWA 的 GigabitEthernet1/0/1 GigabitEthernet1/0/2 和 GigabitEthernet1/0/3 端口相连,主机地址都处于同一网段,如果要实现 PCA 和 PCB 都能访问 PCC ,但 PCA 和 PCB 之间互相隔离,下面哪些技术或方法可以实现客户的需求
- A. 利用端口 Hybrid 属性
- B. 端口隔离技术
- C. Isolate-user-vlan 技术
- D. SuperVLAN 技术
Correct Answer: A,B,C 🗳️
主机 PCA 的 IP 地址为 40.1.1.1 , MAC 地址为 0011.1111.1111PCA 连接在交换机 SWA 的 GigabitEthernet1/0/1 端口上在交换机 SWA 上配置了如下命令:
[SWA]vlan 10
[SWA-vlan10]quit
[SWA]vlan 20
[SWA-vlan20]protocol-vlan ipv4
[SWA-vlan20]quit
[SWA]vlan 30
[SWA-vlan30]quit
[SWA]mac-vlan mac-address 0011-1111-1111 vlan 30
[SWA]vlan 40
[SWA-vlan40]ip-subnet-vlan ip 40.1.1.0 255.255.255.0
[SWA-vlan40]quit
[SWA]interface GigabitEthernet 1/0/1
[SWA-GigabitEthernet1/0/1]port link-type hybrid
[SWA-GigabitEthernet1/0/1]port hybrid pvid vlan 10
[SWA-GigabitEthernet1/0/1]port hybrid vlan 10 20 30 40 untagged
[SWA-GigabitEthernet1/0/1]port hybrid protocol-vlan vlan 20 0
[SWA-GigabitEthernet1/0/1]port hybrid ip-subnet-vlan vlan 40
[SWA-GigabitEthernet1/0/1]mac-vlan enable
配置完成后,可以判断 PCA 会加入
- A. 配置命令有误
- B. VLAN40
- C. VLAN30
- D. VLAN20
- E. VLAN 10
Correct Answer: C 🗳️




