Which wireless security protocol uses a pre-shared key for client authentication and dynamic key generation, and provides stronger security features than its predecessor?

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?

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

Which wireless technology is designed for high-power, high-data-rate wireless communication over long distances, and uses phase-shift keying (PSK) modulation to increase spectral efficiency?

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