Chapter 5 & 6 Flashcards
switch
A telecommunications device that uses the physical device address in each incoming message on the network to determine to which output port it should forward the message to reach another device on the same network
voice mail
Technology that enables users to send, receive, and store verbal messages to and from other people around the world
data loss prevention (DLP)
Systems designed to lock down–to identify, monitor, and protect–data within an organization
voice mail-to-text service
A service that captures voice mail messages, converts them to text, and sends them to an email account
Wi-Fi
A medium-range wireless telecommunications technology brand owned by the Wi-Fi Alliance
gateway
A telecommunications device that serves as an entrance to another network
virtual private network (VPN)
A private network that uses a public network (Internet) to connect multiple remote locations
centralized processing
An approach to processing wherein all processing occurs in a single location or facility
object-oriented database
A database that stores both data and its processing instructions
data administrator
A nontechnical position responsible for defining and implementing consistent principles for a variety of data issues
distributed database
A database in which the data can be spread across several smaller databases connected through telecommunications devices
linking
The ability to combine two or more tables through common data attributes to form a new table with only the unique data attributes
data mining
An information-analysis tool that involves the automated discovery of patterns and relationships in a data warehouse
packet-switching network
A network in which no fixed path is created between the communicating devices and the data is broken into packets, with each packet transmitted individually and capable of taking various paths from sender to recipient
wireless mesh
A form of communication that uses multiple Wi-Fi access points to link a series of interconnected local area networks to form a wide area network capable of serving a large campus or an entire city
ZigBee
A form of wireless communications frequently used in security systems and heating and cooling control systems
field
Typically a name, number, or combination of characters that describes an aspect of a business object or activity
relational model
A database model that describes data in which all data elements are placed in two-dimensional tables called relations, which are the logical equivalent of files
ultra wideband (UWB)
A form of short-range communications that employs extremely short electromagnetic pulses lasting just 50 to 1000 picoseconds that are transmitted across a broad range of radio frequencies of several gigahertz
network-management software
Software that enables a manager on a networked desktop to monitor the use of individual computers and shared hardware, scan for viruses, and ensure compliance with software licenses
predictive analysis
A form of data mining that combines historical data with assumptions about future conditions to predict outcomes of events, such as future product sales or the probability that a customer will default on a loan
computer network
The communications media, devices, and software needed to connect two or more computer systems or devices
object-relational database management system (ORDBMS)
A DMBS capable of manipulating audio, video, and graphical data
data mart
A subset of a data warehouse that is used by small and medium-sized businesses and departments within large companies to support decision making