Introduction to Ethernet | CCNA Layer 2 Basics скачать в хорошем качестве

Introduction to Ethernet | CCNA Layer 2 Basics

👍 Support the channel with Super Thanks 🌐 Visit https://www.telecomtech.io for blog posts, networking tips, and to sign up for the newsletter. 📚 Full networking courses, labs, quizzes, PDFs, and more! 🟥 SUBSCRIBE: https://shorturl.at/TTJxx In this video, I explain Ethernet, the dominant Layer 2 (Data Link Layer) technology used in modern networks. Ethernet is the foundation of switching and local area networks, and understanding it is essential for anyone learning networking. In the video, we explore: What Ethernet is and why it matters A brief history of Ethernet and IEEE 802.3 The structure of an Ethernet frame Source and destination MAC addresses EtherType, payload, and frame check sequence (CRC) Optional VLAN tagging (IEEE 802.1Q) This video is perfect for networking beginners, students, and IT professionals who want a clear and practical understanding of Ethernet and Layer 2 switching concepts. 📌 If you’re studying networking, switching, VLANs, or preparing for certifications like CCNA, this video is a must-watch. ☑️ Chapter list: ============================================ 00:00 Introduction 00:16 All about Ethernet 00:43 History of Ethernet 01:33 The Ethernet Frame 04:41 Examining the Frame Header 06:26 Optional VLAN Tag field 07:12 Summary 🟩 Related Videos and Links: ===============================================    • Introduction to Network Switching | Layer ...      • How a Network Switch Works | CCNA Layer 2 ...   🟦 About ============================================== Welcome to telecomTech, where telecom and networking technologies... are simply explained! I’m Lazarus, a telecom professional with over 25 years of experience in network design, architecture, and telecom technologies. Over my career, I’ve led major projects, trained professionals, and helped countless individuals earn certifications and advance their careers. My goal is to make networking and telecom concepts clear, practical, and engaging—the way I wish they were taught when I started learning! Whether you’re a student, a professional growing your skills, or you're preparing for certification exams such as Cisco, telecomTech is here to guide you. Every video is crafted to help you solve real-world challenges with confidence and curiosity. Join me as we explore telecom and networking as a lifelong passion, not just as a job. Let’s make this journey of growth and discovery together! #ethernet #ethernetswitch #layer2 #datalinklayer #networking #telecomtech