Monthly Archive: January 2015


Virtual Local Area Network(VLAN):-

Virtual Local Area Network(VLAN):- A virtual local area network (VLAN) is a logical group of workstations, servers and network devices that appear to be on the same LAN despite their geographical distribution. A VLAN...


TCP/IP Model

The TCP/IP Model While the OSI protocols developed slowly, due mainly to their formal committee based engineering approach, the TCP/IP protocol suite rapidly evolved and matured. With its public Request for Comments (RFC) policy...

7 layer

The Open Systems Interconnection (OSI) Model

The Open Systems Interconnection (OSI) Model This defined a seven-layer model of data communications. Each layer of the OSI Reference Model provides a set of functions to the layer above and, in turn, relies...