(Free) to simulate real networking environments. Practical knowledge is often cited as more valuable than the certificate alone. Master Subnetting
Your Guide to the CCNA Course: Free Fixes for Your Networking Career ccna course free fix
Cisco itself offers a "Skills for All" platform. While the full, instructor-led CCNA course usually costs money through a college or academy, Cisco offers several foundational courses for free that cover about 40% of the CCNA exam topics, including: Networking Devices and Initial Configuration Addressing and Routing (Free) to simulate real networking environments