If you do teach networking, this video is one to bookmark and perhaps use as a review resource or video-based lesson in a tool like Edpuzzle.

Applications for Education.
Most readers of this blog site will never ever need to understand what MAC address is or how it fits into the networking process. It is nice to understand and can useful to know how to find it if your IT administrator ever asks for it.

PowerCert Animated Videos provide clear and concise descriptions of big concepts in hardware and networking. I described them fairly often when I was teaching an intro to networking course in 2015..

As the title states, the video describes what a MAC address is, how its composed, where to find it, and its function in networking. The video also does an excellent task of explaining the key difference between MAC addresses and IP addresses.