In this video, day 6 of my free CCNA complete course, you will learn about Ethernet LAN switching, focusing on Layer 2 of the OSI model, including ARP (Address Resolution Protocol), and the MAC address table. 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.