This course is designed for novice programmers, entry level engineers and newcomers to Web Development who want to learn or revise the basic concepts related to computer networks.

The course is intended to be a refresher that can be completed in 10 hours.

Introduction to Computer Networks (ICN)

TCP is widely used, a connection-oriented protocol, used in internet communications.&nbsp;TCP connection can be made from client to server, and from then on any data can be sent along that connection.Many applictions use TCP, Some very well known TCP applications are : <ul><li>Telnet </li><li>SMTP </li><li>HTTP </li><li>FTP </li><li>DNS </li><li>HTTPS&nbsp; </li></ul>

TCP

TCP/IP Protocols

UDP

TCP vs UDP

Networks

What happens when you type a URL in the browser to access a website ?

Internet Protocol IPv4

Internet Protocol IPv6

HTTP

What is TCP ?