Dive into the fundamentals of Ethernet LAN switching in this comprehensive video lecture, focusing on Layer 2 of the OSI model. Explore key concepts such as the structure of Ethernet frames, MAC addresses, unicast frames, and MAC address tables. Learn about the decimal and hexadecimal number systems, and understand the processes of MAC learning, frame flooding, and forwarding. Test your knowledge with five quizzes throughout the lecture to reinforce your understanding of these crucial CCNA 200-301 topics.