Foundation & Models
Phases 1-2: Understanding how data moves and the 7-layer architecture.
IP Addressing
Phase 3: Deep dive into binary, CIDR, and subnetting logic.
Critical Requirement
Do not move forward until you master subnetting. It is the language of network boundaries.
MAC, Ports & DNS
Phases 4-6: Local network concepts, protocols, and name resolution.
Routing, Devices & Linux
Phases 7-9: Traffic flow, network hardware, and command line mastery.
Analysis, Security & Advanced
Phases 10-12: Packet analysis, network attacks, and interview readiness.