The r/CCNA subreddit maintains a Wiki with links to free courses, study spreadsheets, and practice exams. Users constantly post “I passed using only free resources” write-ups. Search for “free CCNA materials” within that subreddit to find updated links.

CCNA is a certification program offered by Cisco Systems, Inc. that validates an individual's knowledge and skills in networking fundamentals, including network architecture, protocols, and security. The CCNA certification is highly regarded in the industry and is often a prerequisite for many networking jobs.

Cisco provides official learning materials for free to close the skills gap.