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H3CSE-WLAN Sample Questions:
1. 无线定位对于信号强度有要求,最佳区域为信号大于 ____ （ dbm ) .
A) -75
B) -65
C) -55
D) -85
2. 关于 ACK 确认以及重传机制的说法,正确的是。
A) 无线的重传报文会保持初始速率发送,不会降速传递,以减少占用空口的时间
B) 每个多播的无线帧,必须得到接收端的 ACK 回应,否则必须重传
C) 每个单播的无线帧,必须得到接收端的 ACK 回应,否则必须重传
D) 无线短帧丢失重传的最大次数缺省为 7 次
3. 在无线网络勘测设计中,对于有业务需求的楼层和区域进行覆盖时,目标覆盖区域内 95% 以上位置的接收信号强度应大于等于 _____ （经验值,适用于绝大部分无线网卡)重点覆盖区域信号强度应大于等于 ____
A) -85dBm : -80dBm
B) -90dBm ； -85dBm
C) -80dBm ； -75dBm
D) -75dBm ； -70dBm
4. 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) 错误
B) 正确
5. 以下属于终结者分体直通模式的 AP 是
A) WTU430H
B) WTU430H-IOT
C) WTU430
D) WTU420H
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C,D | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: A,B,C |
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