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H3C GB0-342 Exam Syllabus Topics:

H3CSE-WLAN Sample Questions:

1. 支持 802.11n 的 AP 使用 20MHz 信道带宽与 802.11n 无线网卡可协商的最高速率是 _______

A) 54Mbps
B) 150Mbps
C) 300Mbps
D) 108Mbps

2. 在某 BSS 系统中,如果所有 STA 都根据 802.11e 配置了高优先级,则可以提升整个网络的性能和吞吐量。

A) 正确
B) 错误

3. 无线网络的使用已越来越广泛,和传统有线网络相比,无线网络的优势表现为。

A) 无线网络满足各行各业对网络应用的移动性需求,大大提高了工作的效率
B) 可以提供比有线网络更高的数据带宽,更加稳定的网络连接
C) 不受线缆和端口的限制,可在自由空间连接网络,使用更加自由
D) 在某些特性地理环境下,可以大大降低网络建设成本,使网络建设更经济

4. 以下哪些属于 H3C 基于 WLAN 业务应用的优化技术创新 ?

A) 无线用户二层业务流量隔离
B) 无线业务公平队列调度机制
C) 抑制弱信号客户端对网络性能的影响
D) 无线用户流量限速

5. 以下关于信号的说法正确的是

A) 对信号分析的常用方法有两种:时域分析和频域分析。时域分析通常使用示波器查看信号,而频域分析通常使用频谱分析仪查看。
B) FM 调频收音机产生的干扰属于窄带干扰。
C) 频谱分析仪中每一个频点的信号,如果通过示波器查看都应该是一个标准的正弦波。
D) 理论上,白噪音会均匀地影响无线电信号的所有频率,而窄带干扰是只在某一小范围频率内的噪音。

Solutions: