What wireless technology connects devices over short ranges and is capable of transferring large data streams?

The correct answer is Bluetooth because it is specifically designed to connect devices over short ranges—typically up to about 100 meters—and is highly effective for transferring large data streams between devices. Bluetooth technology uses a secure and robust protocol to facilitate communication between two or more devices, making it ideal for various applications, from audio streaming in headphones to file transfers between smartphones.

Although other technologies, such as Wi-Fi, can achieve longer range and higher data transfer rates, they are typically used for different contexts, such as connecting to the internet over greater distances. Infrared, while also a wireless technology, is limited in range and is generally used for very short-range applications and often doesn't support continuous data streams as effectively as Bluetooth. Zigbee is designed for low-power, low-data-rate applications, which makes it unsuitable for large data streams compared to Bluetooth. Therefore, Bluetooth stands out as the most appropriate technology in this context.