Welcome to @Upskillist, where we simplify complex cybersecurity concepts into clear, practical lessons. In this first lesson of Module 1, you’ll explore the foundations of computer networking—what packets are, how LANs and WANs differ, why firewalls matter, and the essential protocols that keep the digital world running. You’ll also get introduced to the OSI and TCP/IP models and discover how different network topologies impact security, scalability, and reliability. 👉 Subscribe to the channel & hit the bell 🔔 so you don’t miss upcoming lessons! #CyberSecurity #UpskillistLearning #Networking #YouTubeLearning











