Flashcards
Untitled
Cards in this deck (9)
- 1PoPPoint of presence is an access point to the internet. Internet service providers like virgin media may operate several PoPs in the area to allow good access to the internet.
- 2NAPNetwork access point is an interchange between networks within the internet. It allows ISPs to interconnect with each other.
- 3IPInternet protocol is used to route packets of information across the internet.
- 4TCPtransmission control Protocol. The protocol which takes data from a user’s application program and passes it to the IP for
transfer across the internet. - 5ISPInternet service provider Direct connection to the internet would be very costly and so ISP's provide a cost-effective gateway for people and organisations to get onto the internet. In the UK there are many ISP, with some of the most popular ones being BT (British Telecom), Virgin Media and Sky
- 6ServerA computer or program which runs purely to serve the needs of other computers. It runs special server software to service the requirements of the users (clients). There are several types of servers, including file servers and printer servers.
- 7ClientA computer that uses the services provided by the server.
- 8RouterA piece of hardware that connects two or more networks. In the internet, data from the ISP is sent into the network and the router then directs the data packets to the correct destinations. The router also handles data travelling in the other direction. Routers can be described as ‘directors of traffic’ for the networks
- 9Connecting BackboneThe main connecting data routes between large networks on the internet and smaller networks in
local regions
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- Flashcards on Untitled, created by Emma Thompson on 18/04/2018.
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- Emma Thompson
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