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)

<ul><li>Traceroute is a TCP/IP protocol to determine the connectivity to the remote host or server and identifying the path it takes to reach the destination.</li><li>On a windows machine in command&nbsp;prompt&nbsp;you can type tracert to figure out the path it takes to reach the destination</li><li>Type the following on the command prompt </li></ul><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;">Tracert 8.8.8.8</blockquote> </blockquote></blockquote></blockquote></blockquote></blockquote><ul><li style="text-align: left;">The result of a tracert is shown in the image below: ( Note your output may look different) </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

Trace Route