You should know the basics of input and output devices, primary and secondary. You can use this series for academic or for interview preparation. A computer network consists of a collection of computers, printers and other equipment that is connected together so that they can communicate with each other. Data communication and computer network 10 a network topology is the arrangement with which computer systems or network devices are connected to each other. Tutorials point simply easy learning about the tutorial advanced android tutorial android is an open source and linuxbased operating system for mobile devices such as smartphones and tablet computers. Fig 1 gives an example of a network in a school comprising of a local area network or lan connecting computers with each other, the internet, and various servers. Tcpip tutorial and technical overview ibm redbooks. Pdf network security tutorial computer tutorials in pdf.
Each of the devices on the network can be thought of as a node. It provides a variety of program initiatives that reach the 18,500 high schools and over 11 million students involved in athletic and activity programs. Topologies may define both physical and logical aspect of the network. The national federation of state high school associations nfhs learning center is an education tool that offers courses to high school coaches, administrators, officials, students, and parents. Understand networking fundamentals of the tcpip protocol suite. Like the human networks that we are all part of, computer networks let us share information and resources. This is the best networking basics tutorial pdf series available for beginners. Ip addresses are 32 bit long, hierarchical addressing scheme. A network can be defined as a group of computers and other devices connected in some ways so as to be able to exchange data.
Now that you have an idea of what the networkx package provides, you should investigate the parts of the package most useful for you. A network is any collection of independent computers that communicate. Before proceeding with this tutorial, you need a basic understanding of computer. Both logical and physical topologies could be same or different in a same network. Armstrong williams its not what you know but who you know that makes the difference. Describe the functionality of lan, man, and wan networks. In the network diagrammed above, all links are pointtopoint, and so each interface corresponds to the unique immediate neighbor reached by that interface. Ip is a standard that defines the manner in which the network layers of two hosts interact. Tutorial on openflow, software defined networking sdn.