Networking Essentials — The Core Skills Every IT Engineer Must Know. Before Cloud… before Cybersecurity… before DevOps… Every strong IT career starts with Networking Essentials. If you don’t understand how devices communicate, how IPs work, or how packets travel — you’ll always struggle in advanced technologies. 💡 Networking Essentials You MUST Master: 🔹 IP Addressing & Subnetting 🔹 VLANs & Trunking 🔹 Routing Basics (Static, OSPF, EIGRP) 🔹 Switching Concepts (MAC, STP, ARP) 🔹 DHCP, DNS, NA
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