There are four display ports and cables commonly being used in the audio/video market today. The problem for educators is that unless you work for IT or are frequently doing installations of multimedia equipment in the classroom it is pretty easy to get these confused. That is the reason why the guys over at Techquickie created this video to help anyone understand the differences between each cable in under five minutes.
[youtube]https://www.youtube.com/watch?v=f38sotYHqtA[/youtube]