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tcp-ip-model

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complete-networking-guide-osi-tcpip-subnetting-security

This repository covers computer networking fundamentals and advanced concepts including the OSI model, TCP/IP protocols, IP addressing & subnetting, NAT, VPNs, firewalls, IDS/IPS, network redundancy, and wireless security. Perfect for students, IT professionals, and certification candidates (CCNA, CompTIA Network+, AWS Networking, and Security+).

  • Updated Aug 8, 2025

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