Operates over a bigger and geographically separated area.WANs are created to do the following: .A network that covers larger geographical area than a local area network over public communication network.A MAN usually interconnects a number of LANs with technology, such as fiber optical links, and provides up link services to WAN and the Internet.A MAN is a large computer network that usually covers a city or a large campus.The network consists of various buildings interconnected via fiber optics backbones or are wireless.LANs consist of the following components:.The term LAN refers to a regional network or a group of interconnected network that are under the control of the same administration.Prepare for various Government exams! Download Entri App! Different Types of Computer Network: Local Area Network (LAN) Multicast– the process in which a packet is sent from one host to a selected group of hosts.Broadcast– the process in which a packet is sent from one host to all hosts in the network.Unicast– the process in which a packet is sent from one host to an individual host.In an IPv4 network, the hosts can communicate one of the following three ways: (Railway reservation system, Distributed databases etc). Some technologies and applications are examples of Distributed system.Interconnect small computers can be used instead of large computers.Exchange of data and information between different nodes or computers.Some of the nodes in the network may not be computers but network devices like switches, routers etc.Two computers connected to the network can exchange information with each other through the other nodes if they are not directly connected.A computer network is a number of computers or nodes inter connected by some communication lines.Prepare for various Government exams! Download Entri App! Computer Network IntroductionĪ computer network is a communication system for linking computers/hosts.
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In this article, we will be providing the aspirants with computer network notes along with the PDF download.
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Computer Network is one of the most important topics for the preparation of competitive exams.