This is the playlist for the videos I created to help with the Cisco CCNA Routing and Switching course 1. This is the 6.0 version.
The direct link to the first video in the playlist is: https://youtu.be/irMIxU6zuRQ?list=PLk4NQNr6-L8p2o_QjS40rAKbxs5-6dRxs It covers Binary to Decimal conversion.
The first video is below and you can click on the YouTube logo in the video to get a larger size.
Chapter 11, part 1 of 2:
Chapter 11, part 2 of 2:
Basics of Binary
Binary to Decimal conversion using addition and subtraction
Subnetting the 4th Octet