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H3C GB0-342 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| WLAN Security | - WPA/WPA2/WPA3 security mechanisms - 802.1X authentication - Guest access and portal authentication |
| WLAN Optimization and Troubleshooting | - Performance monitoring and fault diagnosis - Interference analysis - Roaming optimization |
| Wireless Fundamentals | - WLAN architecture concepts - Wireless standards (802.11 a/b/g/n/ac/ax overview) - Radio Frequency (RF) principles |
| WLAN Deployment and Configuration | - SSID configuration and VLAN mapping - RF planning and channel assignment - AP discovery and registration |
| H3C WLAN Architecture & Products | - Cloud vs controller-based WLAN design - Access point types and deployment scenarios - H3C wireless controller architecture |
H3CSE-WLAN Sample Questions:
以下说法正确的是
- A. WLAN 和 PHS 频段相近,空中衰减,当设备功率相同,覆盖范围类似给 WLAN 与 PHS 共站址建设提供有利条件。
- B. 用户间隔离功能可以减少广播报文和用户间流量对网络的影响,同时还可以避免一些 ARP 攻击的发生,使无线网络使用起来稳定安全。
- C. 在多楼层覆盖时,信道的设置要考虑三维空间的信号干扰。
- D. 采用 WLAN 双频合路器扩容,实施快,成本低,可迅速热点区域提高一倍的接入用户,并可方便部署负载均衡等功能。
Correct Answer: A,B,C,D 🗳️
WLAN 优化服务器概括起来共有几种交付模式 ?
- A. 卖硬件产品
- B. 人员交付类项目
- C. 软件实体销售
- D. 课题研究合作类
Correct Answer: B,C,D 🗳️
空口信道利用率 * 是判断 AP 当前信道繁忙程度的重要指标,通过查看 AP 的空口信道利用率 " 可以判断此信道当前的占有情况。
下列关于如何查看空口信道利用率 " 的描述,正确的是()
- A. 通过命令查看该值时,系统会统计最近 20 次的信道利用率值
- B. 在隐藏命令模式下,使用命令 *display ar5d radio-num channel busy 进行空口信道利用率 + 的查询
- C. 当 AP 的工作信道切换时,系统会清空统计记录值
- D. 默认情况下,系统每隔 9 秒检测一次信道利用率
Correct Answer: A,B,C,D 🗳️
在 8021.11 网络中用来解决隐藏节点问题所采用的传输技术为
- A. CTS-to-self
- B. CTS/RTS
- C. CSMA/CA
- D. CSMA/CD
Correct Answer: B 🗳️
勘测决策内容及关注事项包括 ?
- A. 核算连接 AP 的接入交换机端口数,根据实际情况进行数量配比,同时需要结合供电方式(采用 POE/POE+ 方式时,交换机输出功率)进行考虑。
- B. 核准覆盖所需 AP 总数量,并附加 5%~10% 的余量
- C. 确定 AP 选用模式( 11agn 、 11ac 、单双频)和准确安装位置
- D. 确定 AP 对应的天线类型(自带天线、吸顶天线、室外天线等)
Correct Answer: A,B,C,D 🗳️




