The degree of protection against criminal activity, danger, damage, and/or loss
What is security?
A binary digit that is the smallest unit of data a computer can process
What is a bit?
The process of designing a database by organizing data entities to be used and identifying the relationships among them
What is entity-relationship modeling?
The transmission capacity of a network, stated in bits per second
What is bandwidth?
Communications channels that use physical wires or cables to transmit data and information
What is broadcast media or wireless media?
Refers to the processes and policies designed to protect an organization's information and information systems from unauthorized access, use, disclosure, disruption, modification, or destruction
What is information security?
A group of eight bits that represent a single character which can be a letter, number, or symbol
What is a byte?
A document that shows data entities and attributes and relationships among them
What is an entity-relationship diagram?
The transmission capacity of a communications medium faster than 4 Mbps
What is broadband?
Communications channels that use electromagnetic media (airwaves) to transmit data
What is broadcast media or wireless media?
What is a threat?
A logical grouping of characters into a word, small group of words, or an identification number
What is a field?
A relationship that exists when an association is maintained within a single entity
What is a unary relationship?
A network that connects communications devices in a limited geographic region, such as a building, so that every user device on the network can communicate with every other device
What is a local area network (LAN)?
A communication medium consisting of strands of copper wire twisted together in pairs
What is a twisted-pair wire?
The harm, loss, or damage that can result if a threat compromises and information source
What is exposure?
A grouping of logically related fields such as a student's name, courses taken, the date, and the grade
What is a record?
A relationship that exists when two entities are associated
What is a binary relationship?
A network, generally provided by common carriers, that covers a wide geographical area
What is wide area network (WAN)?
Insulated copper wire that is used to carry high-speed data traffic and television signals
What is a coaxial cable?
The possibility that a system will be harmed by a threat
What is vulnerability?
A collection of logically related records
What is a data file?
A relationship that exists when three entities are associated
What is a ternary relationship?
High-speed central networks to which multiple smaller networks (LANs and smaller WANs) connect
What is backbone networks?
A communications medium consisting of thousands of very thin filaments of glass fibers, surrounded by cladding, that transmit information via light pulses generated by lasers
What is a fiber-optic cable?