Which of the following description is WRONG about Wi一Fi?(71)

A、 Any standard Wi一Fi device will work anywhere in the world with global operative set of standards
B、 Now most laptops are built with wireless network adapters inside
C、 One can connect Wi一Fi devices in ad一hoc mode for client一to一client connections without a router
D、 Communications between two devices need the involvement ofan access point with Wi一Fi

【正确答案】 D

【答案解析】解析：关于Wi一Fi的描述，错误的是： A．任何标准Wi一Fi设备都可以在世界任何地方工作，采用全球通用的操作标准 B．现在大多数笔记本电脑都用无线网络适配器 C．一个可以连接无线设备在特定模式端到端连接路由器 D．两个设备之间的通信需要使用Wi一Fi接入点的参与。