A _________ is an ad-hoc network of up to eight Bluetooth devices, such as a computer, mouse, headset, or earpiece.
A. backscatter
B. mesh
C. topology
D. piconet
Question 2
What are the electromagnetic light waves just below the frequencies in the visible spectrum called?
A. Fiber optic
B. Optical
C. Ultraviolet
D. Infrared