Case 2 The area of network communications standards is an area with which you are not familiar, so you have decided to study it in some detail. You expect to have to network a wide range of devices in the near future, so this is a timely subject of study. You are looking for a way to transmit signals through a door, and with a high transfer rate, because you have some video to transfer from a digital video camera. Which of the following protocols is the best bet for you?
A) Wi-Fi
B) Bluetooth
C) IrDA
D) UWB

Question

Quizplus · Accepted Answer

UWB (Ultra-wideband) is the best choice for transmitting signals through a door with a high transfer rate. It has high bandwidth and low power consumption, making it ideal for short-range, high-speed data transfer, such as video data from a digital video camera. Wi-Fi and Bluetooth are not suitable for transmitting signals through a closed door, and IrDA requires a clear line of sight between the transmitter and receiver.

Case 2 the Area of Network Communications Standards Is an Area