OSI Model in CCNA - Understand the 7 Layers Since technology is advancing, the number of opportunities is also increasing rapidly. The contemporary era has left everyone in a dilemma regarding what to do next! One similar question arises when we begin to see our profile. CCNA certification provided by Cisco is the most in-demand course in networking, and so is the OSI model. The model comprises seven layers that further help in understanding the functioning better. The blog discusses the OSI model in CCNA in detail. So, keep reading to learn more! https://www.nwkings.com/osi-model-in-ccna-course