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BGP: The Protocol That Routes the Internet
Border Gateway Protocol is the glue of the internet, responsible for exchanging routing information between the tens of thousands of autonomous systems that make up the global network.
VLANs: Logical Network Segmentation on a Physical Switch
A VLAN lets you create multiple isolated broadcast domains on a single physical switch — improving security and simplifying network management.
Subnetting Explained: Dividing Networks with CIDR
Subnetting lets you carve a large IP block into smaller, manageable segments. CIDR notation makes this process both flexible and compact.