Data Communication is a fascinating field that is experiencing tremendous growth. The Internet revolution has redefined the means by which we do business. It doesn't matter if you are a small business owner, the CEO of a large corporation, a teacher, a travel agent or stock broker. The Internet has become an unstoppable phenomenon that's forcing seasoned professionals back into the classroom. To enter into this, first we have to know what is a Network and then how it is built and organized. Computer Networks is an interconnected collection of autonomous computers, printers and disk drives. A network enables you to combine the power and capabilities of diverse equipment and to provide a collaborative medium to combine the skills of different people-regardless of physical location. Computer networking enables people to share information and ideas easily, so they can work more efficiently and productively. Networks also improve commercial activities such as purchasing, selling, and customer service. Networks are making traditional business processes more efficient, more manageable, and less expensive.

This course answers the basic question "How do computer networks or internet operate?". It provides a comprehensive, self-contained tour through data transmission, network technologies and internet working protocols. It shows, how protocols use the underlying hardware and how applications use the protocol stack to provide functionality for the users.

As an answer to the question "How study of networking should be organized?"; the course modules are structured, beginning with basics to advanced levels of Networking.