Vol. 2, Issue 11, Part F (2016)

Abstract
A computer network is not only connecting computers together for sharing physical resources, they are a system of interconnected computers for the purpose of sharing digital information. Major Networking types are LAN, MAN, WAN. Transport Control Protocol & Internet Protocol is the language of the Internet. Learning to declare IP with Subnet mask as network bit and host bit is a basic part of networking. LAN topographical is a design / strategies that are used to implement LAN Communication. Switching Techniques such as Circuit Switching, Massage Switching, Packet Switching. Data security refers to protective digital privacy measures that are applied to prevent un- authorized access to computers, databases and websites.