Understand the OSI Model to become a better Cisco troubleshooter

In David’s latest TechRepublic article, he explains how the seven layers of the OSI Model can help you as a Cisco administrator. Get a brief overview of the OSI model and learn why it is more than just a textbook concept — a true understanding of it will help you every day of your career. To read the full article, visit Understand the OSI Model to become a better Cisco troubleshooter