Networking
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CIDR Cheat Sheet
A reference for IPv4 subnet masks, host counts, and block sizes. CIDR (Classless Inter‑Domain Routing) replaces the old classful system…
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Networking Quick Reference Cheat Sheet
A fast, high‑value reference for networking fundamentals, protocols, ports, cabling, and standards.
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Wi-Fi Standards
Wi‑Fi is defined by the IEEE 802.11 family of wireless networking standards. Each generation improves speed, range, efficiency, and spectrum…
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Ethernet Standards (IEEE 802.3)
Ethernet is the dominant LAN technology used worldwide. The IEEE 802.3 standard defines how Ethernet operates at the physical and…
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