What is OSI Model – CCNA Course

osi reference model

In this article of CCNA course, we’ll have a brief introduction about the OSI Model and what are the layers that it follows. In the following posts ahead, we’ll go deeper into those layers. If you want to read the first topic of CCNA course i.e. Internetworking, then you can do that by clicking the … Read more

What is INTERNETWORKING in Computer Network – CCNA COURSE


In this article, we will learn something basics about internetworking in the computer network. Before we explore internetworking models and the specifications of the OSI reference model, you have got to understand the big picture and learn the answer to the key question, why it is so important to learn Cisco internetworking? Networks and networking … Read more