You work as a Network Administrator for Tech Perfect Inc. The company has a WPAN network. You
have a Bluetooth enabled laptop. You are communicating with an employee who is working in
another cabin. Which of the following transmission technologies does the Bluetooth enabled laptop
use while establishing communication with the employee?
A.
Frequency Hopping Spread Spectrum
B.
Multiple-Input Multiple-Output
C.
Orthogonal frequency division multiplexing
D.
Direct sequence spread spectrum
Explanation:
Bluetooth uses FHSS (Frequency Hopping Spread Spectrum) technology for communication.
Bluetooth is a standard for very low powered and short-range radio connections. It is used to link
personal access devices (PDA), mobile
phones and laptops, and provides them with Internet access via hot spots. Bluetooth uses the 2.4
Ghz spectrum with a data rate of about 1
Mbps. As a radio technology, Bluetooth does not require line of sight like an infrared connection
requires. The maximum transmission range of
Bluetooth is around 10 meters. High-powered Bluetooth would extend the range to 100 meters.
Answer D, C, and B are incorrect. Bluetooth does not use these three technologies for
communication.