H3CSE WLAN Certification GB0-342

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H3C GB0-342 Exam Syllabus Topics:

H3CSE-WLAN Sample Questions:

1. 以下不属于 802.11ax 对 802.11ac 技术改进的是

A) 基于色码的空间复用技术
B) 覆盖范围更远
C) 引入了更高阶的调制技术,更好的节电管理人术（ TWT )
D) 多用户操作技术: MU-MIMO 和 OFDMA

2. 以下关于数字带宽与模拟带宽的说法正确的是

A) 在信道带宽一定的情况下,实际的信道容量主要取决于通信系统信噪比以及采用的调制,传输技术等因素。
B) 在无线通信系统中,数字传输最大速率受限于模拟信道的带宽。
C) 模拟带宽是指模拟电子系统中的频率范围,通常单位为赫兹（ Hz )。
D) 数字带宽是指在单位时间内发送的信息量,通常单位为比特每秒（ bps )而在数据通信系统中实际的吞吐量通常大于系统的数字带宽。

3. 在使用 AP 进行无线桥接时需要注意

A) 两端天线角度是否对准
B) 两个 AP 必须工作在相同信道上
C) AP 间距离是否合适,中间是否有障碍物
D) 本端 AP 正确配置对端 AP 的 MAC 地址,即 peer-mac

4. 关于轨道交通无线架构说法正确的有

A) 轨旁 AP 使用 FIT AP ,经网线通过接入交换机与无线控制器互联
B) 车载 AP 切换时, MLS P 协议代理发送协议报文更新轨旁网络设备表项
C) 车载 AP 采用 FAT 模式,使用 MLS P 协议实现和轨旁 AP 之间快速切换
D) 无线链路快速切换基于关键参数以及切换规则实现

5. 轨道交通数据传输难点有

A) 站台高密覆盖干扰严重
B) 列车移动建立传韵通道
C) 高速移动保证传输通道稳定性
D) 高速移动保证传输通道带宽

Solutions: