Network+ Training Course Index: Professor Messer’s Success Bundle: Professor Messer’s Course Notes: Discount exam vouchers: - - - - - The OSI model is one of the most common methods of describing application data flows. In this video, you’ll learn about the seven layers of the OSI model and how they are associated with real-world hardware and software components. - - - - - Subscribe to get the latest videos: Calendar of live events: FOLLOW PROFESSOR MESSER: Professor Messer official website: Twitter: Facebook: Instagram: LinkedIn: