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H3C GB0-343 Exam Syllabus Topics:

H3C Building H3C Wireless Network V8.0 Sample Questions:

1. 802.11n 可以工作在以下哪几个频率 ?

A) 5 GHz
B) 1.8 GHz
C) 2.4GHz
D) 3.5GHz

2. 在实施 WLAN 和运营商室内分布网络中,常用到的射频电缆对 WLAN 信号损耗描述正确的是。

A) 以上都正确
B) 1/2 超柔馈线 100m 损耗 19.2dB
C) 7/8 馈线 100m 损耗 6.95dB
D) 1/2 标准馈线 100m 损耗 6.95dB

3. 无线桥接（ WDS )失败时,首先要进行工程安装规范的检查,下面描述正确的是 _____ 。

A) 检查各个射频连接部件之间是否连接紧密。
B) 检查天线的极化方向是否一致,可以通过 "V" 字型标识判断。
C) 检查桥接的两端天线是否对准。
D) 检查当前使用天线的工作频率是否与 Radio （ 11a/11g )的工作频率相匹配。

4. 以下产生 2.4GHz 电磁波的设备是（ )

A) AP
B) 微波炉
C) 传统固定电话
D) 蓝牙手机

5. 关于隐藏节点的描述中正确的是 ______ 。

A) 室外 AP+CPE 环境下为降低隐藏节点的影响可以在 AP 侧开启 RTS/CTS 功能。
B) 室分环境下为降低隐藏节点的影响可以在 AP 侧开启 RTS/CTS 功能。
C) AP 与 AP 之间形成隐藏节点可能会导致 AP 发给 STA 的报文发生碰撞丢失
D) cts-to-self 是为解决隐藏节点问题的。

Solutions: