Which wireless antenna type is best suited for providing coverage over a wide area?

Which wireless security protocol is vulnerable to various attacks, including replay attacks and dictionary attacks?

Which wireless technology uses a low-power, low-data-rate wireless personal area network (WPAN) to connect devices over short distances?

Which wireless technology uses low-power signals to communicate between devices and is often used in smart home applications?

Which wireless technology uses a network topology that allows devices to communicate with each other directly or through a central hub or server, and can support high-speed and high-data-rate wireless communication for a small number of devices?