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Network
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terminator:
ending to a network cable that absorbs the signal to stop it bouncing back
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Okay!
MAC address:
number programmed into a network interface card that identifies each device on a network
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Okay!
router
hardware device that connects networks together
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Okay!
Transmission Control Protocol/Internet Protocol (TCP/ IP):
protocol for transferring data between devices
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IP address:
a unique number assigned to a computer on a network
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network switch:
switch that connects devices together to form a wired network
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colliding:
when data 'bumps into' other data, which often causes errors or lost data
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protocol:
agreed set of rules that computers follow to communicate with each other over a network
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domain name:
part of a URL that specifies the location on the internet, e.g. google.com
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file server:
server that stores users' files and enables them to be shared on a network
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network topology
diagram that shows how devices in a network are connected to one another, and shows the network hardware
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network interface card (NIC):
every device that connects to a network includes a NIC, which has a pre-programmed MAC address so that it can be identified on the network
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star topology:
network in whicheach device is connected separately to a central switch
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ring topology:
network in which all devices are connected together to form a ring
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firewall:
restricts the network traffic entering and exiting a network, to ensure that it is safe
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bus topology:
network in which all devices are connected together via a main cable running down the centre of the network
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hardware
physical parts of a computer that you can touch and see, e.g. the processor, storage devices, input devices, output devices
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wireless access point:
allows devices to connect to a network using Wi-Fi
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network traffic:
amount of data travelling through a network, split into small parts for transmission
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scalability:
capacity to make something larger, e.g. a network enlarged with more devices
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file server:
server that stores users' files and enables them to be shared on a network
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cyber-attack:
attempt to gain unauthorised access to a network, to damage or destroy a computer system
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Hypertext Transfer Protocol (HTTP):
set of rules for communicating with web servers
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data packet:
small unit of data that is packaged to be sent across a network
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Hypertext Transfer Protocol Secure (HTTPS):
set of rules for communicating with web servers, with added encryption to improve security
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firewall:
restricts the network traffic entering and exiting a network, to ensure that it is safe
Oops!
Okay!
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