What is Circuit Switching and Packet Switching?

This video is about circuit switching and packet switching. Today, in this video, you will learn what is circuit switching and how does it work. Moreover, you will understand what is packet switching and what are two approaches that we use in packet switching. Most importantly you would be able to know the significant features of both techniques.

Default gateway
Hub vs Switch
Modem vs Router
WiMAX
Wifi security
WiFi standards
Wifi service sets
WLAN
VLAN
VPN