Welcome to fschub.com, a site where you can study a free tutorial about computer and CCNA
The site was basically designed to help those, to pass the CCNA exam (200-125). Also, the site can be used as a reference guide for anything in networking. Here you can find all materials needed to study for your CCNA exam and networking.
The site has two section, CCNA study guide, and computer. The articles in CCNA study guide are divided into chapters. The first some chapters explain basic networking terms and devices. The later chapters explain networking briefly. You can start reading the articles from the beginning and can also find a particular article that you need.