У вашего броузера проблема в совместимости с HTML5
Ethernet protocol uses CSMACD, which checks to see if there is communication on a line before sending data across that line. Find out how two computers can collide when attempting to communicate on the protocol at the same time with help from a specialist in computer and network administration in this free video on Ethernet.
Expert: Mark Daly
Bio: Mark Daly has experience in computer and network administration, and has worked on every Microsoft OS from DOS to Windows Server 2008.
Filmmaker: leighton silvestro