What Is a Core Router?
What a core router does, how it differs from edge and distribution routers, and the design ideas that keep a large network fast and available.
IP addressing, DNS, OSI and TCP/IP, network devices, Wi-Fi and practical network troubleshooting
What a core router does, how it differs from edge and distribution routers, and the design ideas that keep a large network fast and available.
The seven OSI layers and the four TCP/IP layers side by side, how encapsulation works, and how to use layers to troubleshoot a network problem.