ITGS Ch. 12 1-65 Terms Flashcards
A device that reads information from a magnetic strip on the back of a credit card-like access card
Access Card Reader
A method to control which computer is allowed to use transmission media at a certain time
Access Method
In a network, a type of topology where the nodes participate in moving data through the network
Active Topology
A server that acts as a repository for application software
Application Server
The process of identifying a computer user, based on a login or username and password; computer system determines whether the computer user is authorized and what level of access is to be granted on the network
Authentication
A server that keeps track of who’s logging on to the network and which services on the network are available to each other
Authentication Server
A heavily secured server located on a special perimeter network between the company’s secure internal network and its firewall
Bastion Host
A device that uses some unique characteristic of human biology to identify authorized users
Biometric Authentication Device
A device that’s used to send data between different collision domains in a network, depending on where the recipient device is located
Bridge
An attempt to access an account by repeatedly trying different passwords
Brute Force Attack
A system of networking connections in which all devices are connected in a sequence on a single cable
Bus (linear bus) Topology
A characteristic of client/server networks where the server, not the individual user, coordinates data security
Centralized
A type of network that uses servers to deliver services to computers that are requesting them [clients]
Client/Server Network (Server-Based Network)
A server that is maintained by a hosting company and that is connected to networks via the Internet
Cloud Server
A single copper wire surrounded by layers of plastic insulation, metal sheathing, and a plastic jacket; used mainly in cable television and cable Internet service
Coaxial Cable
A server that handles all communications between the network and other networks, including managing Internet connectivity
Communications Server
The method used on Ethernet networks to avoid data collisions; short for CARRIER SENSE MULTIPLE ACCESS WITH COLLISION DETECTION; a node connected to the network uses carrier sense to verify that no other nodes are currently transmitting data signals
CSMA/CD
When two computers send data at the same time and the sets of data collide somewhere in the connection media
Data Collision
A server that provides client computers with access to information stored in databases
Database Server
A characteristic of peer-to-peer networks where the individual user coordinates data security
Decentralized
A server used to fulfill one specific function, such as handling e-mail
Dedicated Server
Software that facilitates the communication between a device and its operating system or between a network adapter and a server’s operating system and the operating system of the computer in which the adapter is installed
Device Driver
The exchange of large amounts of data in a standardized electronic format
Electronic Data Interchange (EDI)
A server whose sole function is to process and deliver incoming and outgoing e-mail
E-mail Server
An area of an intranet that only certain corporations or individuals can access; the owner decides who will be permitted to access it
Extranet
A cable that transmits data at close to the speed of light along glass of plastic fibers
Fiber-Optic Cable