Network+ Training Course Index: https://professormesser.link/n10008 Professor Messer’s Course Notes: https://professormesser.link/008cn Discount exam vouchers: https://professormesser.com/vouchers/ - - - - - We use the OSI model to describe application use, network activity, and troubleshooting tasks. In this video, you’ll learn about the layers of the OSI model and how they apply to real-world networking. - - - - - Subscribe to get the latest videos: https://professormesser.link/yt Calendar of live events: https://professormesser.com/calendar/ Frequently Asked Questions: https://professormesser.link/faq FOLLOW PROFESSOR MESSER: Professor Messer website: https://professormesser.com/ Twitter: https://professormesser.com/twitter Facebook: https://professormesser.com/facebook Instagram: https://professormesser.com/instagram LinkedIn: https://professormesser.com/linkedin