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H3C GB0-342 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| WLAN Product Operation and Maintenance | 15% | - System logging and alarm handling - Performance monitoring and reporting - Device management and monitoring - Configuration backup and upgrade |
| Wireless Product Troubleshooting and Management | 10% | - Controller-AP communication faults - Radio signal and interference problems - Roaming failure diagnosis - Common connection and authentication issues |
| WLAN Optimization Introduction | 5% | - Capacity and coverage tuning - Performance optimization methods - Interference mitigation techniques |
| Wireless Technology System and Theory | 20% | - 802.11 protocol architecture and standards - WLAN service models and QoS - WLAN security mechanisms - RF principles and propagation characteristics |
| WLAN Survey and Design | 15% | - Frequency planning and interference avoidance - Capacity and coverage design principles - AP placement and antenna selection - Site survey process and tools |
| H3C Wireless Product Features and Configuration | 20% | - User access and authentication setup - WLAN controller and AP hardware specifications - Radio and VLAN configuration - Basic WLAN service deployment |
| WLAN Solutions | 15% | - Typical industry application scenarios - Indoor and outdoor WLAN deployment - WLAN integration with wired networks - High-density and roaming solutions |
H3CSE-WLAN Sample Questions:
1. W2220XAGP 在工作于 11a 下作桥接时,默认情况下,最多可以和 ____ 个对端设备建立桥接,同时对端设备信号强度 RSSI 最少应大于 _____ 桥接才能保证稳定运行。
A) 4 ; 30
B) 2 ; 15
C) 4 ; 15
D) 2 ; 30
2. 最大可管理 AP 数为 6144 的无线控制器款型为
A) LSQM1WCMX40
B) WX5560H
C) LSQM1WCMX20
D) WX5540H
3. 施工方反馈, AP 在正常加电后无法成功注册到 AC ,可能的原因有 ______
A) AP 硬件故障
B) AC 到 AP 的数据配置没有正确完成
C) 超出了 AC 的 license 数量限制
D) AC 到 AP 的物理链路不通
4. 无线链路切换控制参数说法正确的是
A) Link Hold Time :为了防止主链路频繁的切换,当备份链路切换为主链路时,主链路保持的最短时长。
B) Link Hold RSSI :建立和维持链路所需要的最小信号强度
C) Link-maximum-number :车载 MR 与轨旁建立 MESH 链路数量,包括主链路和备份链路
D) Link Saturation RSSI :当对端信号强度超过该阈值时,可能会引起信号接收饱和,造成无法解调,链路失效,这时会立即进行链路切换
E) Link Switch Margin :备份链路切换为主链路信号阈值,备份链路的 RSS I 和主链路的 RSS I 相比,信号差值大于 Link Switch Margin 值时,备链路切换为主链路
5. 能够影响一台 AP 的有效覆盖范围的主要因素有:
A) 天线类型(增益、方向角等)
B) AP 发射功率
C) AP 及天线的安装位置
D) 用户所期望的数据速率(带宽)
E) AP 的工作模式( FAT AP 或 FIT AP )
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: A,B,C,D | Question # 4 Answer: A,B,C,D,E | Question # 5 Answer: A,B,C,D |


