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Ethernet Frames & MAC Addresses Explained: How Data Travels on a Network

Ethernet Frames & MAC Addresses Explained: How Data Travels on a Network 🔍 How does data move across a network? Why do switches "learn" MAC addresses? If you're curious about how your internet and LAN networks actually work, this video is for you! 📡 In this video, you’ll learn: ✅ What an Ethernet frame is – The fundamental unit of data transmission ✅ Key parts of an Ethernet frame – Preamble, destination & source MAC, type field, data, and FCS ✅ What MAC addresses are – Why every device has a unique physical address ✅ The 3 types of network communication – Unicast, broadcast, and multicast ✅ How a switch processes data – Learning and forwarding using MAC tables ✅ How flooding works – What happens when a switch doesn't know where to send data 💡 Why does this matter? Understanding Ethernet frames and MAC addresses is critical for network engineers, IT professionals, and anyone studying for certifications like CCNA. Even if you're just setting up a home network, knowing how data flows will help you troubleshoot issues faster. 🚀 By the end of this video, you'll be able to visualize exactly how your network devices communicate and why switches are so important for keeping your internet fast and efficient! 💬 Have questions? Drop them in the comments! And don’t forget to like, subscribe, and turn on notifications for more networking tutorials! 🔔