2,608 views
The seven OSI layers are one of the fundamental concepts in networking education, which is covered in the Network+ and SANS 201 courses. This model is an abstract concept, but it is very useful for understanding network concepts and how they work. In this video, Arash Moghaddaszadeh, one of the instructors of the Network and Security courses of the Galaxy of Light, explains the functions of each layer while fully introducing this model. Galaxy of Light, a pleasant learning experience www.kahkeshan.com