H3CSE-WLAN : GB0-342

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H3C GB0-342 Exam Syllabus Topics:

H3CSE-WLAN Sample Questions:

1. 确定无线设备间信号传输距离的最优方法是 ______

A) 目测传输距离
B) 使用路径损耗计算公式计算传输距离
C) 使用 AP 进行现场测试确定传输距离
D) 使用强烈直线光源来估算 RF 信号

2. 无线客户端可以搜索到 WLAN 信号但关联不上 AP ,可能的原因有

A) 关联到该 AP 的用户过多
B) 周围环境中存在强干扰源
C) 客户端无线网卡加密方式与 AP 不一致
D) AP 距离过远或障碍物过多,信号强度低于无线网卡接收灵敏度

3. （单选)以下不属于 802.11ax 协议特有的技术是。

A) 支持 160MHz 频宽的 8 信道捆绑 .
B) 802.11ax 支持上下行双方向 MU-MIMO.
C) 802.11ax 引入 BSS-COLOR 快速识别 BSS ,提升信号接收和解调效率。
D) 802.11ax 调制方式支持 1024QAM.

4. 关于无线瘦 AP 上线过程:（单选题)

A) join---Discovery---image---configuration
B) Discovery---join---image---configuration
C) image---join---Discovery---configuration
D) image---Discovery---join---configuration
E) Discovery--image---join---configuration
F) join---image---Discovery---configuration

5. 以下采用 OFDM 调制技术的 802.11 PHY 层协议是

A) 802.11g
B) 802.11a
C) 802.11e
D) 802.11b

Solutions: