Explore the physical processes in which devices such as computers, ATMs, tablets, and even cars connect through various Internet connectivity technologies. Look at a brief history of the evolution of the Internet, then dig into the components of wide area networks, or WANs. Switch gears to the topic of wireless and cellular networking where you will study wireless channels, security, and the basics of how cellular networks are built.

0:00 Connecting to the Internet
1:53 Dial-up, Modems, and Point-to-Point Protocols
5:42 What is Broadband?
8:47 T-Carrier Technologies
10:57 Digital Subscriber Lines
14:48 Cable Broadband
18:45 Fiber Connections
21:26 Wide Area Network Technologies
24:25 Point-to-Point VPNs
26:15 Introduction to Wireless Networking Technologies
31:50 Wireless Network Configurations
34:35 Wireless Channels
39:19 Wireless Security
41:55 Cellular Networking
43:26 Mobile Device Networks

This video is part of the Google IT Support Certificate, which introduces learners to troubleshooting, customer service, networking, operating systems, systems administration, and security. The program, created by Google employees in the field, is designed to provide you with job-ready skills in about 6 months to start or advance your career in IT.

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