The Network Communication series covers the most basic concepts of computer networking, an essential and valuable resource for any networking career. The program is vendor-neutral, but it is also a valuable stepping stone for those pursuing Cisco certifications. This video series should be completed before pursuing CCNA training. The Network Communication Level 1 video course download covers the preliminary essentials that a network engineer must know to survive and excel in this rapidly growing industry. Specifically, the course covers the basics of physical layer connectivity, network topologies, and general networking concepts including the OSI model, subnetting, and a complete overview of how networking works.