Info Tech Quiz 8

Front 1

first type of computer crime

Back 1

illegal act perpetrated against computers or telecommunications, such as hardware theft

Front 2

second type of computer crime

Back 2

use of computers or telecommunications to accomplish an illegal act, such as identity theft

Front 3

evil twin attack

Back 3

an evil doer sets up a Wi-Fi hot spot that your computer thinks offers safe access to a secure public network and then monitors your communications and steals data you input

Front 4

security

Back 4

a system of safegaurds for protecting information technology against disasters, system failures, and unauthorized access that can result in damage or loss

Front 5

biometrics

Back 5

the science of measuring individual body characteristics

Front 6

encryption

Back 6

the process of altering readable data into unreadable form to prevent unauthorized access

Front 7

disaster-recovery plan

Back 7

a method of restoring information-processing operations that have been halted by destruction or accident

Front 8

cyberwarfare

Back 8

warfare involving computers and the Internet in which one nation attacks another's information systems

Front 9

database

Back 9

a collection of interrelated data and files

Front 10

data storage hierarchy

Back 10

levels of data stored in a computer database: bits, characters (bytes), fields, records, and tables (files)

Front 11

character (byte)

Back 11

a letter, number, or special character

Front 12

field

Back 12

unit or category of data consisting of one or more characters (bytes)

Front 13

record

Back 13

collection of related fields

Front 14

file

Back 14

collection of related records

Front 15

database management system (DBMS)

Back 15

software written specifically to control the structure of a database and access to the data

Front 16

data dictionary

Back 16

a document or file that stores the data definitions and descriptions of the structure of data used in the databse

Front 17

metadata

Back 17

data that describes other data

Front 18

DBMS utilities

Back 18

programs that allow you to maintain the database by creating, editing, and deleting data, records, and files

Front 19

report generator

Back 19

a program for producing an on-screen or printed document form all or part of a database

Front 20

database administrator (DBA)

Back 20

coordinates all related activities and needs for an organization's database

Front 21

relational database

Back 21

relates, or connects, data in different tables of rows and columns through the use of primary keys, or common data elements

Front 22

structured query language (SQL)

Back 22

standard query language used to create, modify, maintain, and query relational databases

Front 23

query by example (QBE)

Back 23

the user asks for information in a database by using a sample record form, or table, to define the qualifications he or she wants for selected records

Front 24

object-oriented database

Back 24

uses "objects", software written in small, reusable chunks, as elements within database files

Front 25

multidimensional database (MDB)

Back 25

models data as facts, dimensions, or numerical measure for use in the interactive analysis of large amounts of data for decision-making purposes

Front 26

data mining (DM)

Back 26

the computer-assisted process of sifting through and analyzing vast amounts of data in order to extract hidden patterns and meaning and to discover new knowledge

Front 27

data warehouse

Back 27

a special database of cleaned-up data and metadata

Front 28

cyberattacks

Back 28

attempts to gain unauthorized access to or to disrupt or damage a computer system or electronic communications network

Front 29

troll

Back 29

a person who posts intentionally offensive, incendiary, or off-topic comments online

Front 30

hacker

Back 30

a person who gains unauthorized access to computers or networks

Front 31

crackers

Back 31

people who break into computers for destructive purposes

Front 32

denial-of-service (DoS) attack

Back 32

making repeated requests of a computer system or network, thereby overloading it and denying legitimate users access to it

Front 33

worms

Back 33

program that copies itself repeatedly into a computer's memory or onto a disk or flash drive or USB device

Front 34

trojan horse

Back 34

a program that pretends to be a useful program, usually free, such as a game or screen saver, but carries viruses, or destructive instructions, that perpetrate mischief without your knowledge

Front 35

rootkit

Back 35

a secret software program installed in a computer's operating system that someone in another location can use to take control of the computer

Front 36

blended threats

Back 36

use multiple techniques to attack a computer systems

Front 37

zombie

Back 37

computer taken over covertly and programmed to respond to instructions sent remotely

Front 38

botnet

Back 38

a network of computers in which each computer has been implanted with instructions to wait for commands from the person controlling the botnet

Front 39

privacy

Back 39

the right of people not to reveal information about themselves

Front 40

identity (ID) theft

Back 40

a crime in which thieves hijack your name and identity and use your information and credit rating to get cash or buy things

Front 41

database software

Back 41

a program that sets up and controls the structure of a database and access to the data

Front 42

key

Back 42

field used to sort data