Phase 1: Learning Networking Fundamentals
1–2 monthsStudying the OSI and TCP/IP models, subnetting, switching, routing, and core protocols like DNS, DHCP, and VLANs through courses and daily subnetting drills. By the end, the person can explain how a packet moves across a network and subnet quickly without a calculator.
You're done when you can show
A completed course certificate or a score report from a full-length subnetting and fundamentals practice exam.
Resources