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Networking

Networking. By Nachiket Agrawal 10DD. Network. A Network consists of more than one computer that are interconnected in order to share files, resources, web and more. . Stand Alone.

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Networking

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  1. Networking By Nachiket Agrawal 10DD

  2. Network • A Network consists of more than one computer that are interconnected in order to share files, resources, web and more.

  3. Stand Alone • A stand alone device is one which does not require any other devices to function. For example a fax (facsimile) device does not require a modem or a computer to function while a printer needs to be connected to a device, a computer, to function. A Stand alone device Not a stand alone device

  4. LAN • The Local Area Network is a computer network that interconnects devices in a limited area. • For example a LAN can be over a school, office, home, etc.

  5. Advantages and disadvantages of LAN Advantages: • Hardware can be shared. • Network software is cheaper than individual packages. • The users can access the same files. • A single internet connection can be shared between the users. Disadvantages: • Can be expensive to set up and maintain. • A virus can spread to all computers if one is infected. • Can be more prone to hacking as there are multiple access points. • If the file server goes down, the entire network can go down if it is a star network.

  6. Cabled LAN • Cabled LAN is used to connect a network device to multiple network devices and depending on the size of the network, different cables are used which are: • Twisted pair: is a form of wiring in which two conductors are twisted and this is usually used for home and office uses. • Coaxial cable: uses electromagnetic waves inside the cable and is usually used for televisions. • Optical fiber: is the latest form of cabled LAN and uses light impulses to transfer information.

  7. LAN Topologies • There are different types of network called topologies: • The bus topology • The ring topology • The star topology

  8. Router • A router is a device that transfers data between computer networks.

  9. WAN • The WAN is a communication network that covers a broad area. • For example between countries, regional area and more.

  10. Clients • A client is an application that can access a service which is made available by a server. • The two main types of clients are: • The Fat client: Performing the bulk of data processing operations itself. • The Thin client: Mostly uses the resources of the hosts.

  11. Server • A server is a computer program running to serve the requests of the clients. • For example a server in a school would be controlling and storing the data.

  12. Client/server network • A client/server network is one which deals with the requests of their clients and the servicers of the servers to transfer information and more.

  13. Peer to Peer Network • A peer to peer network is one in which each computer in the network can act as a client and a server. These can be for allowing shared access to files and peripherals.

  14. Bib • http://fcit.usf.edu/network/chap1/chap1.htm • http://en.wikipedia.org/wiki/Peer-to-peer • http://en.wikipedia.org/wiki/Client%E2%80%93server_model • http://education.mu/forum/index.php?topic=306.0 • http://en.wikipedia.org/wiki/Networking_cables

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