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Networking
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- 1Advantages of NetworkingNetworks allow users to share software stored in a main system. Files can easily be shared between users over a network.
Networks users can communicate via email, instant messenger and VoIP.
Within networks, it is much more straightforward to backup data as it is all stored on a file server.
Networks allow data to be transmitted to remote areas that are connected within local areas.
Networking computers allows users to share common peripheral resources such as printers, fax machines, etc. therefore saving money…(cont.) - 2Disadvantages of NetworkingThe cost of purchasing cabling to construct a network as well as the servers can be costly.
The management of a large network is complicated, which requires training and a specialist network manager usually needs to be employed.
In the event of a file server breaking down the files contained on the server become inaccessible, although email might still work if it is stored on a separate email server. The computers can still be used but are isolated.
If a virus gets into the system through a network it can easily spread to other computers.
With networks, there is a risk of hacking, particularly with wide area networks. Stringent security measures are required to prevent such abuse, such as a firewall. - 3Peer-to-PeerIn this architecture all computers are considered equal because all have the same abilities to use the resources available on the network. Here the resources are shared among the nodes. Each computer acts both as client and server.
- 4ServersThese are powerful computers that provide services to the other computers on the network.
- 5Client ServerIt is a network where one computer acts as the server and another is called client. The server is the most important part of the network system providing access to resources and providing security.
- 6RoutetA router translates information from one network to another. Routers select the best path to route a message based on the destination address and origin.
- 7SwitchesIt is a device that provides a central connection point to cables from the server’s workstations and peripherals.
- 8HubA hub is a common connection point for devices in a network. Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports. When a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.
- 9RepeaterA network device used to regenerate or replicate a signal. Repeaters are used in transmission systems to re-generate analog or digital signals distorted by transmission loss. Digital repeaters can reconstruct a signal to near its original quality.
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- Fichas sobre Networking, creado por Tom Franklin el 24/11/2017.
- Creado por
- Tom Franklin · nov 2017
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- 24 nov 2017
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