Fichas
Hardware
Fichas del conjunto (8)
- 1What does a file server do?They hold all your work and information that are saved on to your computer.
- 2What does a proxy server do?It receives your request to visit a web page and either allows the request through or blocks it. Whoever uses the computer can set web pages that aren't allowed.
- 3What does a domain name server do?Each website has a unique IP address and the domain name server's job is to identify each website's IP address when you type in an address such as bbc.co.uk. This means that your request can go to the correct web server.
- 4What does a web server do?They store websites and serve them to whoever wants to see them.
- 5What does a mail server do?This holds all your emails. This can be on a server in where you work or on a cloud such as Google cloud. When you choose to see your mail, you go to the mail server and the emails can be displayed in a browser or it is downloaded to your client such as Outlook.
- 6What does a router do?These direct the data packets along the network cabling. Routers know where to send the packets because of the data which is in the header of that packet. The header includes the postal address of where the packet needs to be sent and can be sent the most efficient route.
- 7What is a point of presence?All internet service providers (ISP) such as Virgin and Sky have points of presence on the internet. These are building that contain all the equipment (servers and routers etc) and handle all the data requests when you type in a web address.
- 8What is a network access point?Internet service providers (ISP's) need to interconnect, so data can be allowed to pass over each network. The network access point (NAP) is a building that stores all the information that allows packets of data to pass between ISP networks.
Información
- Descripción
- BTEC ICT Fichas sobre Hardware, creado por Rebecca123 el 10/09/2015.
- Creado por
- Rebecca123
- Visitas
- 1
- Valoración