Sometimes the "fix" isn't a video, but a community of people who have already passed.

By leveraging these "fixes," you can earn one of the most respected certifications in IT without spending a dime on tuition. The only investment required is your time.

Websites like Learn Cisco offer free practice questions organized by chapter. Summary: Your Free CCNA Roadmap

You shouldn't walk into the testing center without testing your knowledge first. While premium practice exams like Boson are highly recommended, you can find free alternatives: