It is the foundation that makes understanding networks possible the wonderful OSI layer. While studying for the CCENT exam I had a basic understanding of the OSI Model but when reviewing the material I found myself saying over and over, “Oh ya I remember that”! meaning I totally forgot about a certain protocol or how and what services where in each layer. So I wrote down the basics on the ITS forum and decided why not post it here as well.
Background: The International Organization for Standardization (ISO) wanted a network model that would standardize data networking protocols to allow communication between all computers and internet connected devices. So in the late 1970s they began to work on the OSI model (Open System Interconnection) Continue reading “The OSI Layer”