Layer 2 Computer Networking, What You Need to Know

TechKnowSurge Resources➡️ https://go.techknowsurge.com/start This networking tutorial explores Layer 2 networking concepts, explaining the mac address and how data is transmitted within the data link layer. We also discuss the differences between full duplex and half duplex communication, and the function of the arp protocol. 🌐📡 0:00 Intro 3:03 Layer 2 (Basics, Half vs Full Duplex, Access Control, CSMA) 31:03 Ethernet (Ethernet, MAC Addresses, Frames, Layer 1, MTU) 58:29 Switches (Switches, MAC Address Tables, Buffering) 1:13:29 Address Resolution Protocol (ARP) (ARP, ARP Tables) 1:27:39 Address Types (Types, Multicast, Default Gateway) 1:37:50 Wrap Up 🚀 Want to get into cybersecurity but not sure where to start? This channel is about learning cybersecurity the right way — by understanding how systems actually work, not just memorizing for exams. Cybersecurity isn’t about shortcuts. It’s about building real skills, thinking critically, and understanding technology at a deeper level. On this channel, you’ll learn: • How cybersecurity actually works • The real skills employers look for • Common mistakes beginners make • How to build a clear path into cybersecurity Start your journey here: 👉 https://go.techknowsurge.com/start #cybersecurity #cybersecuritycareer #infosec #ITcareer