IT Flashcards
Server
A computer that responds to requests from across the network to provide, or help provide computing services.
Multi Processor Server
A server with two or more CPU’s within a single computer system
RAID
Redundant Array of Independent Disks. A storage technology that combines multiple disk drive components into a logical unit to act as one drive. Typically used to prevent data loss in case of drive failure.
HUB
A multi port repeater for network traffic that allows for communication between multiple computers (no longer used, they have been replaced by switches) Works good for 3 - 5 computers not high # of computers.
Switch
An intelligent multi-port repeater for network traffic that allows for communication between multiple computers simultaneously. Acts as the middle man, isolates conversation.
Router
A network device that transfers data packets between networks. Allows local data to stay local, exterior data to stay exterior.
Modem
A device that converts one communication technology to another
Firewall
A software or hardware based security solution that controls incoming and outgoing traffic to a computer or network
LAN
Local area network, a network that is connect with on premise hardware
WAN
Wide area network, a network that is connected via the internet (century link, comcast, etc.)
ISP -
Internet Service Provider, a business or organization that offers usser access to the internet and related services.
TCP/IP
transmission control protocol, defines how the data neets to be formatted to be transmitted over the internet. General language accepted world wide.
VPN
virtual private network, extends a private network across public network, such as the internet.
Client Server
A computing architecture where a client software running a workstation connects to a server to provide fully functional software product.
Thin Client
Used in Citrix Situation. A Computer or computer program which depends on some other computer to fulfill it’s role.
