A computer network can be defined as a set of computers connected together for the purpose of sharing resources. The most common resource shared today is connection to the Internet. Examples of other shared resources can include a printer or a file server. The Internet itself can be considered as a huge computer network. This tutorial will teach you basics of Data Communication and Computer Network (DCN) and will also take you through various advanced concepts related to Data Communication and Computer Network.
This tutorial has been prepared for engineering graduates to help them to understand from the basic to advanced concepts related to Data Communication and Computer Networking. After completion of this tutorial learners will find themselves at a moderate level of expertise from where they can take themselves to next levels.