Which device is used in wireless networks to send transmissions to a target area?()
- A、Optical fiber
- B、Access point
- C、Directional antenna
- D、Omni-directional antenna
正确答案:C
答案解析:有
微信扫一扫手机做题
Which device is used in wireless networks to send transmissions to a target area?()
微信扫一扫手机做题