--- title: "Networking Part 2: Sending Electrons over Wires (Physical & Data Link)" date: 2026-05-11T10:00:00Z draft: false tags: ["Networking", "Ethernet", "MAC"] series: ["Networking Fundamentals"] --- *Coming soon! In this post, we will cover MAC addresses, switches, Ethernet frames, and how electrons physically move data from NIC to NIC.*