How many blue-tooth peer devices are in a piconet?
a) 5 devices peer
b) 6 devices peer
c) 7 devices peer
d) 8 devices peer
Which of the following is like visible light?
a) Wi-Fi
b) WiMAX
c) Bluetooth
d) infra-red
Which of the following are applications of infrared?
a) car locking system
b) home security systems
c) remote control system
d) all of these
How many long-distance wireless communication technologies?
a) one
b) two
c) three
d) four
Explanation: cellular communication, global positioning system
Which of the following technologies are included in cellular technology?
a) mobile telephone
b) personal communication system
c) wireless web application
d) all of these
Which of the following is not an example of wireless communication?
a) wi-fi
b) mobiles
c) landline
d) wireless computer
