CCNA
Router: It is the 3rd layer of OSI model.
It is most intelligent device.
It maintain routing table which contains the information of
best route to reach any network.
It creates no collision domain and broadcast domain.
R1 : 192.168.10.1 R1
& R2 : Router
R2 : 192.168.10.2 A
/ B: Computer
A : 172.14.0.14
B : 10.0.0.2
