Category: Computer Networks

ROUTER:- Router is the basic backbone for the Internet. The main function of the router is to connect two or more than two network and

Firewalls  One problem with having a program on your machine listening on an open TCP port is that someone may connect and then, using some

Physical Layer:-           The Physical Layer is responsible for sending bits from one computer to another computer. That is , it may convert the sequence

Introduction  The Open Systems Interconnection (OSI) model is a reference tool for understanding data communications between any two networked systems. It divides the communications processes

Protocol An agreed-upon format for transmitting data between two devices. The protocol determines the following: The type of error checking to be used data compression

The physical arrangement of computers in the network is called as topology. The path taken by data from sender to receiver computer mainly depends upon

  There are three type of Computer Network :–          1. Local Area Network ( LAN)          2. Metropolitan Area Network (

Applications & Uses of Networks are following :—- Resource Sharing :—                             Sharing of hardware, software and data is a major benefit of computer networks.

   Introduction  We have entered in the era of communication technology. The dynamic world today needs fast communication channels to move data frequently from one