Flashcards
The Internet and Networks: DNS, IP Addresses and LANs
Cards in this deck (11)
- 1The internetThe internet is a collection of interconnected networks.
- 2Difference between the internet and the WWWThe internet is the hardware and infrastructure however the world wide web is the web pages and resources.
- 3Describe the hardware and cabling available / required to connect to the InternetTo connect to the Internet, you must be connected to a router, either by cable or using a wireless connection. You also need a Hub/switch.
- 4The purpose of an IP addressAn IP address allows packets to be sent to the appropriate destination, travelling separately across the internet before being reassembled.
- 5The role of a DNS serverA DNS server passes requests onto another server until it reaches one with the matching name and IP address when it receives a request that isn’t in its database.
- 6Describe HTML and it’s useHypertext Mark-up Language is a programming language that displays the world wide web browser page using a set of mark-up symbols and codes.
- 7The differences between a local area network and a wide area network such as the internetA LAN covers a small area such as one site or building, e.g. a school or a college. LANs are often connected to WANs, for example a school network could be connected to the Internet. However a WAN covers a large geographical area. Most WANs are made from several LANs connected together. WANs can be connected together using the Internet, leased lines or satellite links.
- 8Advantages of networking stand-alone computers into a local area networkYou can access the files on the other computers in the local area network, so that if someone is away, the other colleagues can edit or change their work within a school or business etc.
- 9Describe the hardware needed to connect stand-alone computers into a local area networkYou need Ethernet cables, a router, a server and a switch or a hub.
- 10Explain the different roles of computers in a client-server and a peer-to-peer networkClient computers are those which people use to log on to and use the services provided by the server. The “handshaking” process takes place to establish what protocol to use.
In a peer to peer. all computers have an equal status. Data can be passed between computers rather than just on a server (when in a WAN). - 11Ring topologyClient computers are those which people use to log on to and use the services provided by the server. The “handshaking” process takes place to establish what protocol to use.
In a peer to peer. all computers have an equal status. Data can be passed between computers rather than just on a server (when in a WAN).
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- GCSE Computing Flashcards on Untitled, created by Abbie Goffin on 27/11/2016.
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- Abbie Goffin
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