In this video, day 5 of my free CCAN complete course, you will learn about Ethernet LAN switching, focusing on Layer 2 of the OSI model. In this FREE and COMPLETE CCNA 200-301 course you will find lecture videos covering all topics in Cisco official exam topics list, end-of-video quizzes to test your knowledge, flashcards to review, and practice labs to get hands-on experience.