H3CSE WLAN Certification GB0-341

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Simulation test system

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Unlimited use

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H3C GB0-341 Exam Syllabus Topics:

H3CSE-WLAN Sample Questions:

1. 关于 802.11 的的 MAC 层,一下说法正确的是 __________________ 。

A) 802.11 的 MAC 报文分为数据帧、控制帧和管理帧。
B) 802.11 的 MAC 层负责客户端和 AP 之间的通讯,主要功能包括扫描、认证、关联等。
C) 管理帧负责 STA 和 AP 之间的能力级交互,认证,关联等管理工作,例如 Beacon 帧就是管理帧的一种
D) 控制帧是协助发送数据帧的控制报文,例如 RTS 、 CTS 、 ACK 等。

2. STA 和 AP 在进行接入认证和关联之前都是需要了解相互的信息以及进行能力级别的交互,这个过程是可以通过下面哪些报文的广播或交互得以实现的 ?

A) Authentication Request
B) Probe Response
C) Beacon
D) Probe Request

3. 下列关于 AP 交流电供电说法正确的是。

A) 优先采用本地供电 .
B) 交流供电的电源保护地（ PE )必须可靠接地
C) 必须要求恒压供电
D) 大功率 AP 建议采用本地供电；

4. 关于瘦 A AP P 数据转发的方式和逻辑,下列说法正确的是:

A) 三层注册 Option43 方式下, AP 获取到 IP 地址后会直接向 Option43 指定的 AC 地址发送 Discovery 单播发现请求报文
B) DNS 方式下,只需要在 DNS server 上指定相关的域名映射到 AC IP 地址即可,并不需要 DHCP server 做特殊配置
C) 如果直接在 AP 上手动配置 AC 的 IP 地址,也可以完成三层注册但由于这种方式需要做初始化配置,实施比较麻烦,所以并不推荐。
D) 三层注册 Option43 方式下, AP 获取 IP 地址后会先发送广播型 Discovery 报文,未收到 AC 相应时,才会开始尝试发送单播发现请求报文。

5. 当 AP 的分集天线接口有不使用的时候,或者在做分布式系统时,功分器的端口没有使用,这种情况下,需要用 _______ 拧到接口上,防止射频干扰对系统产生影响。

A) 射频匹配负载
B) 2dBi 增益天线
C) 1/2" 馈缆
D) 7/8" 馈缆

Solutions: