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H3C GB0-372 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Topic 1: Switching Technology Basics | 10-15% | - Spanning Tree Protocol (STP)
- 1. RSTP/MSTP Improvements
- 2. STP Principles and Operation
- 3. STP Port Roles and States
- Ethernet Principles
- 1. MAC Address Learning and Aging
- 2. Ethernet Frame Structure
- 3. CSMA/CD Mechanism
|
| Topic 2: ACL and QoS | 15-20% | - ACL Configuration
- 1. ACL Application Scenarios
- 2. ACL Rule Matching Order
- 3. Basic and Advanced ACL
- QoS Fundamentals
- 1. Rate Limiting and Shaping
- 2. Traffic Classification
- 3. Priority Mapping and Queuing
|
| Topic 3: VLAN and VLAN Routing | 15-20% | - VLAN Configuration
- 1. 802.1Q VLAN Tagging
- 2. Hybrid and Trunk Ports
- 3. VLAN Assignment Methods
- VLAN Routing
- 1. VLAN Interface Routing
- 2. Layer 3 Interface Configuration
- 3. Dot1Q VLAN Termination
|
| Topic 4: Switching Network Troubleshooting | 10-15% | - Common Fault Diagnosis
- 1. STP Loop Detection and Resolution
- 2. VLAN Communication Failures
- 3. Layer 2 Connectivity Issues
- Diagnostic Tools
- 1. Mirroring and Traffic Monitoring
- 2. ping and traceroute
- 3. display Commands Usage
|
| Topic 5: Switch Security | 10-15% | - DHCP Security
- 1. IP Source Guard
- 2. DHCP Snooping Configuration
- 3. Dynamic ARP Inspection
- Port Security
- 1. ARP Detection and Spoofing Prevention
- 2. 802.1X Protocol
- 3. MAC Address Authentication
|
| Topic 6: IRF Intelligent Resilient Framework | 20-25% | - IRF Architecture
- 1. IRF Election Mechanism
- 2. IRF Composition and Benefits
- 3. IRF Port and Fabric
- IRF Configuration
- 1. IRF Stack Setup
- 2. IRF Domain and MAD Configuration
- 3. IRF Troubleshooting
|
H3CSE-RS-SW Sample Questions:
1. 主机 PCA 的 IP 地址为 40.1.1.1 , MAC 地址为 0011.1111.1111 , PCA 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) VLAN 30
B) VLAN 40
C) 配置命令有误
D) VLAN 20
E) VLAN 10
2. SSH 作为安全的远程登录协议,采用了先进的加密算法来确保其文件传输的安全性, SSH 客户端与服务器通讯的时候,会对如下哪些内容进行加密 ? (选择 - 项或多项)
A) 登录密码
B) 登录用户名
C) 只对用户名和密码加密
D) 传输数据
3. 交换机 SWA 的 Ethernets 端口配置如下:
Interface Ethernet 1/0/1 port link-type trunk
Port trunk permit vlan 10 port trunk pvid vlan 20
现在要把交换机 SWA 的 Ethernet1/0/1 端口修改为 Hybrid 端口, PVID 为 VLAN20 ,且在发送 VLAN20 的数据帧是不打标签,在发送 VLAN 10 的数据帧打标签,则下面的配置过程正确的是(选择一项或多项)
A) [SWA-Ethernet1/0/1] port link-type hybrid
B) [SWA-Ethernet1/0/1] undoportlink-type [SWA-Ethernet1/0/1 ] portlink-typeHybrid [SWA-Ethernet1/0/1] port hybrid pvid vlan 20 [SWA-Ethernet1/0/1] port hybrid vlan 10 tagged
C) 以上各项均不正确
D) [SWA-Ethernet1/0/1] portlink-type access [SWA-Ethernet1/0/1] port link-type hybrid [SWA-Ethernet1/0/1] port hybrid pvid vlan 20 [SWA-Ethernet1/0/1] port hybrid vlan 10 tagged
E) [SWA-Ethernet1/0/1] port link-type access [SWA-Ethernet1/0/1] port access vlan 20 [SWA-Ethernet1/0/1] port link-type hybrid [SWA-Ethernet1/0/1] port hybrid vlan 10 tagged
4. 基于 gRPC 在实现 Telemetry 功能的过程中,设备支持 Dial-in 和 Dial-out 两种对接模式。 Dial-in 模式,设备作为 Client?
A) 正确
B) 错误
5. 关于 STP 端口的角色及其状态,下列说法正确的有
A) 只有指定端口最终会处于 Forwardig 状态
B) 只有 Alternate 端口会处于 Blocking 状态
C) 角色为 Alternate 的端口不会经历 Listeing 状态和 Learning 状态
D) 指定端口会经历两个 ForwardDelay 时长进入 Forwarding 状态
Solutions:
Question # 1 Answer: A | Question # 2 Answer: A,B,D | Question # 3 Answer: E | Question # 4 Answer: B | Question # 5 Answer: B,C,D |