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Flashcards

Topic 1.4 Revision

Finnlay Young Inglês 19 flashcards

LAN has its own infrastructure of cabling and network hardware

Flashcards do conjunto (19)

  1. 1LAN (Local Area Network)Computers connected together over a small geographical are such as a single building or single site
  2. 2Give 3 examples of a LANHome network, School network, Network in a shop
  3. 3WAN (Wide Area Network)Computers connected together over a large geographical area such as a group of buildings
  4. 4Name the biggest WANThe internet
  5. 5LAN has its own infrastructure of cabling and network hardwareLAN has its own infrastructure of cabling and network hardware
  6. 6WAN uses external hardware and external infrastructure e.g use of a satelliteWAN uses external hardware and external infrastructure e.g use of a satellite
  7. 7Client serverThe network relies on a central server
    All clients devices request services from server
    Additional hardware is needed
  8. 8Peer-to-PeerAll computer have equal status
    Each device can act as a client and a server
    All devices can request and provide network services
  9. 9On a client server all files can be stored on a central server meaning workers can access files from any device on that server making it easy to share filesOn a client server all files can be stored on a central server meaning workers can access files from any device on that server making it ...
  10. 10On a peer to peer server all files are stored on their own computer meaning you have to log in to the same computer every timeOn a peer to peer server all files are stored on their own computer meaning you have to log in to the same computer every time
  11. 11The internetworld wide collection of computer networks that are connected together (inter-networking)
  12. 12DNS (Domain Name Server)When accessing a web page we use a URL to access the page for example www.goconqr.com the .com is the DNS or domain name server
  13. 13The role of a DNS serverWhen you type that URL into the web browser the computer will query a DNS Server (Domain Name Server)
    The DNS has a list of all domain names and their associated IP addresses.
    All packets are transmitted as IP addresses – therefore to access the server that holds the OCR website – we would need to know the IP address.
  14. 14HostingHosting is when you place a web site on a web server
  15. 15What things you need to do to be able to start hosting?Need to select a suitable domain name
    Need to register domain name with the domain registrar
    Each registered domain name is given an associated I.P address
  16. 16The cloudThe cloud is a network of servers
    Some servers will run applications
    Some servers will store data
  17. 17The benefits of the cloudIncrease storage e.g. from mobile phones
    Access files from anywhere in the world
    Collaborate with others from around the world
  18. 18Virtual networkWith in a LAN it is possible to break the network into virtual networks to allow one group of devices to not see other devices on the network
  19. 19Star NetworkA star network is a local area network (LAN) in which all workstations or other devices are directly connected to a common central computer.

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FlashCards sobre Topic 1.4 Revision , criado por Finnlay Young em 30-11-2019.
Criado por
Finnlay Young
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