You are working as a technician at Certkiller .com. A user wishes to utilize a wireless keyboard
and mouse with a short-range communication connection with his laptop. Which of the following
technologies should you recommend to him?

A.
laser

B.
Ethernet

C.
cellular

D.
Bluetooth

Explanation:
Bluetoothis an industrial specification for wireless personal area networks (PANs). Bluetooth
provides a way to connect and exchange information between devices such as mobile phones,
laptops, PCs, printers, digital cameras, and video game consoles over a secure, globally
unlicensed short-range radio frequency.