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Feb 23, 2023 · A network is a set of devices (often referred to as nodes) connected by communication links. Or a network is simply two or more computers that are linked together. A node can be a computer, printer, or any other device capable of sending and/or receiving data generated by other nodes on the network. Benefits of a Network: Information sharing ...
May 6, 2024 · OSI stands for Open Systems Interconnection, where open stands to say non-proprietary. It is a 7-layer architecture with each layer having specific functionality to perform. All these 7 layers work collaboratively to transmit the data from one person to another across the globe. The OSI reference model was developed by ISO – ‘International ...
May 15, 2023 · 8. NIC – NIC or network interface card is a network adapter that is used to connect the computer to the network. It is installed in the computer to establish a LAN. It has a unique id that is written on the chip, and it has a connector to connect the cable to it. The cable acts as an interface between the computer and the router or modem.
May 11, 2023 · The arrangement of a network that comprises nodes and connecting lines via sender and receiver is referred to as Network Topology. The various network topologies are: Point to Point Topology. Mesh Topology. Star Topology. Bus Topology. Ring Topology. Tree Topology. Hybrid Topology.
Jun 25, 2023 · 1. Carrier Sense Multiple Access with Collision Detection (CSMA/CD): In this method, a station monitors the medium after it sends a frame to see if the transmission was successful. If successful, the transmission is finished, if not, the frame is sent again. In the diagram, starts sending the first bit of its frame at t1 and since C sees the ...
Apr 15, 2024 · A local Area Network (LAN) is a data communication network connecting various terminals or computers within a building or limited geographical area. The connection between the devices could be wired or wireless. Ethernet, Token rings, and Wireless LAN using IEEE 802.11 are examples of standard LAN technologies. What is Ethernet?
May 4, 2023 · Goals of Computer Networks: The following are some important goals of computer networks: Resource Sharing – Many organization has a substantial number of computers in operations, which are located apart. Ex. A group of office workers can share a common printer, fax, modem, scanner, etc. High Reliability – If there are alternate sources of ...
