Contents

Introduction:


The communication between two or more devices without any physical connection is called……
a) cable communication           
b) wireless communication
c) radio signal communication  
d) infra-red communication


Which of the following are advantages of wireless communications?
a) freedom from cables            
b) enable user to communicate
c) both a & b               
d) none of these


Wireless network


What is the abbreviation of WLAN?
a) weight LAN 
b) wireless LAN
c) white LAN              
d) all of these


Wireless network use ……..to maintain communication channel between computers?
a) radio waves             
b) microwaves
c) both a & b               
d) none of these