Task 1 Networking Basics What is a network? Its time to discuss what a network is and learn about the the different types of networks according to topology or geographical restrictions. A computer network (also simply called a network) is a group of two or more computers and other devices (like printers, mobile phones and tablets ) that are linked through cables, fiber channels or wireless technologies ( infrated, radio waves, satellites, etc.). The computers and hardware devices that are connected in a network are called "nodes". Network nodes communicate with each other in order to exchange data, files and messages and also to share devices . Network topologies The way in which computers are interconnected is called network topology. The most commonly used topologies are: Point to point This is the simplest topology there is and consists of a permanent link between two nodes. Conventional analog telephony uses point-to-point circuit can be set up dynamically (for as long...