单选题Which device is used in wireless networks to send transmissions to a target area?（）A Optical fiberB Access pointC Omni-directional antennaD Directional antenna
题目
单选题
Which device is used in wireless networks to send transmissions to a target area?（）
A
Optical fiber
B
Access point
C
Omni-directional antenna
D
Directional antenna
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参考答案和解析
正确答案：
D
解析：
暂无解析