Flashcards
Network hardware: servers, NICs, hubs and switches
Cards in this deck (9)
- 1servercomputer networks have atleast one powerful computer known as the server, to provide services for the network user
file server, web server and database server. - 2back up storageIn computers, backup storage is storage that is intended as a copy of the storage that is actively in use so that, if the storage medium such as a hard disk fails and data is lost on that medium, it can be recovered from the copy.
- 3firewallA firewall is a system designed to prevent unauthorized access to or from a private network.
- 4printersan output device that produces a paper copy of text or images, the can be attached to a single computer or via a network so they cvan be shared.
- 5network infrastructuree.g an ethnic cable and fibre-optic cabling
Network infrastructure refers to the hardware and software resources of an entire network that enable network connectivity, communication, operations and management of an enterprise network.
- 6network interface card (NIC)A network interface card (NIC) is a computer circuit board or card that is installed in a computer so that it can be connected to a network.
- 7huba hub is a hardware device that connects multiple computers together in a network and allows them to share data packets, each computer will be connected to a single 'port' on the hub so if you buy a '8 port' hub you eill be ablle to connect 8 computers.
- 8switchA switch is a component which is used within a computer network.
A switch has a number of ports and it stores the addresses of all network devices that are directly or indirectly connected to it on each port.
As a data packet comes into the switch, its destination address is examined and a direct connection is made between the sending and receiving machines.
- 9wi-fi routerit combines three network components in one box, wireless routers offer a convenient way to connect a small number of wired and any number of wireless devices to each other for access to the Internet as well as for file sharing and printing.
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- Flashcards on Untitled, created by 270799mb7421 on 11/03/2015.
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- 270799mb7421 · Mar 2015
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- Feb 19, 2016
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