Data Communications & Networking

7 Layers of OSI Model

This video explains the 7 layers of the OSI model of networking.

The TCP/IP Protocol

What is TCP / IP?  TCP – Transmission Control Protocol   IP – Internetwork Protocol   TCP/IP refers to a collection of protocols   The name TCP/IP is misleading because TCP and IP are only two of the many  protocols in this collection… Read More ›

Data Communications Protocols – Part 1

The term ‘protocol’ is heard very frequently in data communications and networking. What does ‘protocol’ mean? This article explains the computer communication process, what is a protocol, layered protocols, advantages of layered protocols, and defines what is an open system.