The　should not be used when flying through clouds or overcast. A: navigation lights and flashing beacon B: strobe lights and flashing beacon C: strobe lights and courtesy lights

Beacon帧中主要包含的是（ ）

The air beacon is the only way for flying navigation in Montana, kind of lighthouses in the sky.

Flashing beacon (Anti-collision light) is located on the top of vertical fin. A: True B: False

以下802.11帧那些是管理帧（ ） A: Beacon B: Probe C: RTS/CTS D: ACK

Blockhouses, garrison towns, passes built at strategic points, and beacon towers are mentioned to show the magnificence and variety of the Great Wall.

STA 发现无线网络的方式只有通过 AP 对外发送的 beacon 帧 A: True B: False

The　share the same switch. A: navigation lights and flashing beacon B: rear dome light and courtesy lights C: strobe lights and courtesy lights

物联网在电子商务中的应用包括： A: 智能货架 B: Beacon技术 C: 网上交易 D: 自动结转

在802.11MAC层的报文分类中，属于管理帧的是（） A: authentication B: association C: probe D: beacon