Network Devices,Frame Relay and X.25

Hardware/Networking Devices: Networking hardware may also be known as network equipment computer networking devices. Network Interface Card (NIC): NIC provides a physical connection between the networking cable and the computer’s internal bus. NICs come in three... Read more

IP Addressing

IP address is short for Internet Protocol (IP) address. An IP address an identifier for a computer or device on a TCP/IP network. Networks using the TCP/IP protocol route messages based on the IP address of the destination. Contrast with IP, which specifies the... Read more

Introduction of Computer Networks

Data Communication:When we communicate,when we share information.It can be local or remote.Local communication occur face to face while remote communication take place over distance.Data communication are the exchange of data between two devices via the... Read more

OSI Layer

OSI (Open Systems Interconnection) is reference model for how applications can communicate over a network. A reference model is a conceptual framework for understanding relationships. The purpose of the OSI reference model is to guide vendors... Read more