Glossary- W Flashcards
walkthrough
A review of some or all disaster recovery and business continuity plans, procedures, and other documentation. A walkthrough is performed by an entire group of individuals in a live discussion.
wall
A structure that prevents or deters passage by unauthorized personnel.
WAN switch
A general term encompassing several types of wide area network switch- ing devices, including ATM switches, Frame Relay switches, MPLS switches, and ISDN switches.
war chalking
The practice of marking buildings (using chalk) with symbols to indi- cate the presence of a Wi-Fi access point, including some basic facts about it. See also war driving, Wi-Fi.
war dialing
An attack designed to discover unprotected remote access modems by dialing phone numbers sequentially and recording those with modems.
war driving
An attack on a wireless network where attackers intercept and record in- formation about Wi-Fi access points.
warm site
An alternate processing center where recovery systems are present, but at a lower state of readiness than recovery systems at a hot site. For example, while the same version of the operating system may be running on the warm site system, it may be a few patch levels behind primary systems.
waterfall model
A software development life cycle process where activities are se- quential and are executed one time in a software project. See also software development life cycle (SDLC).
web-based application
An application design where the database and all business logic are stored on central servers, and where user workstations use only web browsers to access the application.
web-based application development
A software development effort where the ap- plication’s user interface is based on the HTTP (Hypertext Transport Protocol) and HTML (Hypertext Markup Language) standards.
web proxy filter
A central program or device that monitors and, optionally, filters web communications. A web proxy filter is often used to control the sites (or categories of sites) that users are permitted to access from the workplace. Some web proxy filters can also protect an organization from malware.
web server
A server that runs specialized software that makes static and dynamic HTML pages available to users.
web services
A means for system-to-system communications using the HTTP protocol.
Web Services Description Language (WSDL)
An XML-based language that is used to
describe web services. See also web services.
wet pipe
A fire sprinkler system where all sprinkler pipes are filled with water. Each sprinkler head is equipped with a fuse—a heat-sensitive glass bulb—that breaks upon reaching a preset temperature. When this occurs, water is discharged from just that sprinkler head, which is presumably located near a fire. See also fire sprinkler system.
