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

b

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

c

Wireless network


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

b



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

c