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H3C GB0-342 Exam Syllabus Topics:

H3CSE-WLAN Sample Questions:

Question 1

通过与 radius 服务器联动进行用户权限认证的无线网络验证方式是。（高级考试才考)

A. PEAP
B. WEP
C. WPA-PSK
D. EAP-MD5

Question 2

802.11g/n 支持 1-14 信道,每个国家支持的信道不一样,中国区使用的信道

A. 1-13
B. 1-11
C. 1-14
D. 1-12

Question 3

FATAP 在未通过 DHCP 获取地址时,默认地址为 ?

A. 192.168.0.1
B. 192.168.0.50
C. 192.168.100.1
D. 192.168.0.100

Question 4

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 （ AC )

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

Question 5

802.11 网络的介质访问机制为 ______ 。在此机制中,当发送方检测到媒体空闲时 _______ 。

A. CSMA/CA :等待 IFS 时间长度以后,启动一个定时器 Back-off Timer ,当定时器倒计时到零时开始发送报文。
B. CSMA/CD :等待 IFS 时间长度以后,启动一个定时器 Back-off Timer ,当定时器倒计时到零时开始发送报文。
C. CSMA/CD :等待 IFS 时间长度以后,立即发送数据,如果产生冲突则启动一个定时器 Back-off-timer ,当定时器倒计
D. CSMA/CA :等待 IFS 时间长度以后,立即发送数据,如果产生冲突则启动一个定时器 Back-off timer ,当定时器倒计时到零时再次重新发送报文。

Solutions: